开学第一课Java考试
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package moguiba;
import java.text.DecimalFormat;
import java.util.Scanner;
import moguiba.ScoreInformation;
public class nanshoua {
static int N=0;
static Scanner scanner=new Scanner(System.in);
static ScoreInformation s[]=new ScoreInformation[99];
public static void show() {
System.out.println("*********************************************************** "+
" 石家庄铁道大学软件工程系 "+
" 学生学籍管理系统 2019 版 "+
"*********************************************************** "+
" 1、 学生考试成绩录入 "+
" 2、 学生考试成绩修改 "+
" 3、 计算学生成绩绩点 "+
" 4、 退出学籍管理系统 "+
"***********************************************************");
int m = scanner.nextInt();
switch (m) { // 主菜单选择
case 1:
add();
break;
case 2:
xiugai();
break;
case 3:
jidian();
break;
case 4:
exi();
break;
default:
System.out.println("该选项不存在");
break;
}
}
public static void shuju(){
int i=0;
for(i=0;i<5;i++)
{
s[i]=new ScoreInformation();
}
s[0].setStunumber("20183517");
s[0].setName("安振");
s[0].setMathematicsscore(0);
s[0].setEnglishiscore(0);
s[0].setNetworkscore(0);
s[0].setDatabasescore(0);
s[0].setSoftwarescore(0);
s[1].setStunumber("20186666");
s[1].setName("齐桓公");
s[1].setMathematicsscore(0);
s[1].setEnglishiscore(0);
s[1].setNetworkscore(0);
s[1].setDatabasescore(0);
s[1].setSoftwarescore(0);
s[2].setStunumber("20181314");
s[2].setName("晋文公");
s[2].setMathematicsscore(0);
s[2].setEnglishiscore(0);
s[2].setNetworkscore(0);
s[2].setDatabasescore(0);
s[2].setSoftwarescore(0);
s[3].setStunumber("20189999");
s[3].setName("楚庄王");
s[3].setMathematicsscore(0);
s[3].setEnglishiscore(0);
s[3].setNetworkscore(0);
s[3].setDatabasescore(0);
s[3].setSoftwarescore(0);
s[4].setStunumber("20180000");
s[4].setName("秦穆公");
s[4].setMathematicsscore(0);
s[4].setEnglishiscore(0);
s[4].setNetworkscore(0);
s[4].setDatabasescore(0);
s[4].setSoftwarescore(0);
N=5;
}
public static void exi() {
System.out.println("*********************************************************** "+
" 谢谢使用石家庄铁道大学软件工程系学生学籍管理系统 2019 版 "+
" 制作人:安振 "+
"***********************************************************");
System.exit(-1);
}
public static void add() { // 录入学生信息
while (true)
{
int t=0;
System.out.println("*****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 请输入学生学号:********");
System.out.println("****************************************************");
System.out.println("请输入八位的学号:");
String a=scanner.next();
for(int i=0;i<N;i++)
{
if(a.equals(s[i].getStunumber()))
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入高等数学成绩:");
System.out.println("****************************************************");
s[i].setMathematicsscore(scanner.nextDouble());
if(s[i].getMathematicsscore()>0&&s[i].getMathematicsscore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 请输入大学英语成绩:");
System.out.println("****************************************************");
s[i].setEnglishiscore(scanner.nextDouble());
if(s[i].getEnglishiscore()>0&&s[i].getEnglishiscore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 请输入计算机网络成绩:");
System.out.println("****************************************************");
s[i].setNetworkscore(scanner.nextDouble());
if(s[i].getNetworkscore()>0&&s[i].getNetworkscore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 请输入数据库成绩:");
System.out.println("****************************************************");
s[i].setDatabasescore(scanner.nextDouble());
if(s[i].getDatabasescore()>0&&s[i].getDatabasescore()<100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 输入数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 请输入软件工程成绩:");
System.out.println("****************************************************");
s[i].setSoftwarescore(scanner.nextDouble());
if(s[i].getSoftwarescore()>0&&s[i].getSoftwarescore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 软件工程成绩:"+s[i].getSoftwarescore());
System.out.println("****************************************************");
System.out.println(" 该学生成绩已录入完毕,是否提交(Y/N)");
String c=scanner.next();
if(c.equals("Y"))
{
t=1;
break;
}
else
{
s[i].setMathematicsscore(0);
s[i].setEnglishiscore(0);
s[i].setNetworkscore(0);
s[i].setDatabasescore(0);
s[i].setSoftwarescore(0);
break;
}
}
else {t=0;break;}
}
else {t=0;break;}
}
else {t=0;break;}
}
else {t=0;break;}
}
}
else if(i==N-1)System.out.println("该学号不存在");
}
if(t==1)break;
}
}
public static void xiugai()
{
while(true)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 请输入学生学号:");
System.out.println("****************************************************");
String a=scanner.next();
int i;
int m=0;
for(i=0;i<N;i++)
{
if(a.equals(s[i].getStunumber()))
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 1.高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 2.大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 3.计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 4.数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 5.软件工程成绩:"+s[i].getSoftwarescore());
System.out.println("****************************************************");
double x1,x2,x3,x4,x5;
x1=s[i].getMathematicsscore();
x2=s[i].getEnglishiscore();
x3=s[i].getNetworkscore();
x4=s[i].getDatabasescore();
x5=s[i].getSoftwarescore();
System.out.println("请输入要修改的科目:");
int t;
t=scanner.nextInt();
switch(t)
{
case 1:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后的高等数学成绩:");
s[i].setMathematicsscore(scanner.nextDouble());
break;
case 2:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后的大学英语成绩:");
s[i].setEnglishiscore(scanner.nextDouble());
break;
case 3:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后的计算机网络成绩:");
s[i].setNetworkscore(scanner.nextDouble());
break;
case 4:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后数据库的成绩:");
s[i].setDatabasescore(scanner.nextDouble());
break;
case 5:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后软件工程的成绩:");
s[i].setSoftwarescore(scanner.nextDouble());
break;
}
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 1.高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 2.大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 3.计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 4.数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 5.软件工程成绩:"+s[i].getSoftwarescore());
System.out.println(" 该同学成绩已经修改完毕,是否提交(Y/N)");
System.out.println("****************************************************");
String n=scanner.next();
if(n.equals("Y")){m=1;break;}
else
{
s[i].setMathematicsscore(x1);
s[i].setEnglishiscore(x2);
s[i].setNetworkscore(x3);
s[i].setDatabasescore(x4);
s[i].setSoftwarescore(x5);
break;
}
}
else if(i==N-1)
{
System.out.println("该学号不存在");
}
}
if(m==1)break;
}
}
public static void jidian()
{
int t=0;
double mathematicsscore=0;
double englishiscore=0;
double networkscore=0;
double databasescore=0;
double softwarescore=0;
DecimalFormat df=new DecimalFormat("#.00");
double pingjun;
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩绩点计算界面");
System.out.println("****************************************************");
System.out.println(" 请输入学生学号:");
System.out.println("****************************************************");
String a =scanner.next();
for(int i=0;i<N;i++)
{
if(a.equals(s[i].getStunumber()))
{
if(s[i].getMathematicsscore()>=90)mathematicsscore=4;
else if(s[i].getMathematicsscore()>=85&&s[i].getMathematicsscore()<=89.9)mathematicsscore=3.7;
else if(s[i].getMathematicsscore()>=82&&s[i].getMathematicsscore()<=84.9)mathematicsscore=3.3;
else if(s[i].getMathematicsscore()>=78&&s[i].getMathematicsscore()<=81.9)mathematicsscore=3.0;
else if(s[i].getMathematicsscore()>=75&&s[i].getMathematicsscore()<=77.9)mathematicsscore=2.7;
else if(s[i].getMathematicsscore()>=72&&s[i].getMathematicsscore()<=74.9)mathematicsscore=2.3;
else if(s[i].getMathematicsscore()>=68&&s[i].getMathematicsscore()<=71.9)mathematicsscore=2.0;
else if(s[i].getMathematicsscore()>=66&&s[i].getMathematicsscore()<=67.9)mathematicsscore=1.7;
else if(s[i].getMathematicsscore()>=64&&s[i].getMathematicsscore()<=65.9)mathematicsscore=1.5;
else if(s[i].getMathematicsscore()>=60&&s[i].getMathematicsscore()<=63.9)mathematicsscore=1.0;
else if(s[i].getMathematicsscore()<60)mathematicsscore=0;
if(s[i].getEnglishiscore()>=90)mathematicsscore=4;
else if(s[i].getEnglishiscore()>=85&&s[i].getEnglishiscore()<=89.9)englishiscore=3.7;
else if(s[i].getEnglishiscore()>=82&&s[i].getEnglishiscore()<=84.9)englishiscore=3.3;
else if(s[i].getEnglishiscore()>=78&&s[i].getEnglishiscore()<=81.9)englishiscore=3.0;
else if(s[i].getEnglishiscore()>=75&&s[i].getEnglishiscore()<=77.9)englishiscore=2.7;
else if(s[i].getEnglishiscore()>=72&&s[i].getEnglishiscore()<=74.9)englishiscore=2.3;
else if(s[i].getEnglishiscore()>=68&&s[i].getEnglishiscore()<=71.9)englishiscore=2.0;
else if(s[i].getEnglishiscore()>=66&&s[i].getEnglishiscore()<=67.9)englishiscore=1.7;
else if(s[i].getEnglishiscore()>=64&&s[i].getEnglishiscore()<=65.9)englishiscore=1.5;
else if(s[i].getEnglishiscore()>=60&&s[i].getEnglishiscore()<=63.9)englishiscore=1.0;
else if(s[i].getEnglishiscore()<60)englishiscore=0;
if(s[i].getNetworkscore()>=90)networkscore=4;
else if(s[i].getNetworkscore()>=85&&s[i].getNetworkscore()<=89.9)networkscore=3.7;
else if(s[i].getNetworkscore()>=82&&s[i].getNetworkscore()<=84.9)networkscore=3.3;
else if(s[i].getNetworkscore()>=78&&s[i].getNetworkscore()<=81.9)networkscore=3.0;
else if(s[i].getNetworkscore()>=75&&s[i].getNetworkscore()<=77.9)networkscore=2.7;
else if(s[i].getNetworkscore()>=72&&s[i].getNetworkscore()<=74.9)networkscore=2.3;
else if(s[i].getNetworkscore()>=68&&s[i].getNetworkscore()<=71.9)networkscore=2.0;
else if(s[i].getNetworkscore()>=66&&s[i].getNetworkscore()<=67.9)networkscore=1.7;
else if(s[i].getNetworkscore()>=64&&s[i].getNetworkscore()<=65.9)networkscore=1.5;
else if(s[i].getNetworkscore()>=60&&s[i].getNetworkscore()<=63.9)networkscore=1.0;
else if(s[i].getNetworkscore()<60)networkscore=0;
if(s[i].getDatabasescore()>=90)databasescore=4;
else if(s[i].getDatabasescore()>=85&&s[i].getDatabasescore()<=89.9)databasescore=3.7;
else if(s[i].getDatabasescore()>=82&&s[i].getDatabasescore()<=84.9)databasescore=3.3;
else if(s[i].getDatabasescore()>=78&&s[i].getDatabasescore()<=81.9)databasescore=3.0;
else if(s[i].getDatabasescore()>=75&&s[i].getDatabasescore()<=77.9)databasescore=2.7;
else if(s[i].getDatabasescore()>=72&&s[i].getDatabasescore()<=74.9)databasescore=2.3;
else if(s[i].getDatabasescore()>=68&&s[i].getDatabasescore()<=71.9)databasescore=2.0;
else if(s[i].getDatabasescore()>=66&&s[i].getDatabasescore()<=67.9)databasescore=1.7;
else if(s[i].getDatabasescore()>=64&&s[i].getDatabasescore()<=65.9)databasescore=1.5;
else if(s[i].getDatabasescore()>=60&&s[i].getDatabasescore()<=63.9)databasescore=1.0;
else if(s[i].getDatabasescore()<60)databasescore=0;
if(s[i].getSoftwarescore()>=90)softwarescore=4;
else if(s[i].getSoftwarescore()>=85&&s[i].getSoftwarescore()<=89.9)softwarescore=3.7;
else if(s[i].getSoftwarescore()>=82&&s[i].getSoftwarescore()<=84.9)softwarescore=3.3;
else if(s[i].getSoftwarescore()>=78&&s[i].getSoftwarescore()<=81.9)softwarescore=3.0;
else if(s[i].getSoftwarescore()>=75&&s[i].getSoftwarescore()<=77.9)softwarescore=2.7;
else if(s[i].getSoftwarescore()>=72&&s[i].getSoftwarescore()<=74.9)softwarescore=2.3;
else if(s[i].getSoftwarescore()>=68&&s[i].getSoftwarescore()<=71.9)softwarescore=2.0;
else if(s[i].getSoftwarescore()>=66&&s[i].getSoftwarescore()<=67.9)softwarescore=1.7;
else if(s[i].getSoftwarescore()>=64&&s[i].getSoftwarescore()<=65.9)softwarescore=1.5;
else if(s[i].getSoftwarescore()>=60&&s[i].getSoftwarescore()<=63.9)softwarescore=1.0;
else if(s[i].getSoftwarescore()<60)softwarescore=0;
pingjun=(4*s[i].getMathematicsscore()+3*s[i].getEnglishiscore()+4*s[i].getNetworkscore()+3*s[i].getDatabasescore()+2*s[i].getSoftwarescore())/16;
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩绩点计算界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 1.高等数学绩点:"+mathematicsscore);
System.out.println(" 2.大学英语绩点:"+englishiscore);
System.out.println(" 3.计算机网络绩点:"+networkscore);
System.out.println(" 4.数据库绩点:"+databasescore);
System.out.println(" 5.软件工程绩点:"+softwarescore);
System.out.println(" 你的平均学分绩点为:"+df.format(pingjun));
if(pingjun>=2)System.out.println(" 你的学分绩点已达到毕业要求!" );
else System.out.println(" 你的学分绩点不满足毕业要求!" );
System.out.println(" 是否返回系统主界面:(Y/N)");
System.out.println("****************************************************");
String c=scanner.next();
if(c.equals("Y")){t=1;break;}
else break;
}
else if(i==N-1)System.out.println("该学号不存在");
}
if(t==1) show();
}
public static void main(String[] args) {
shuju();
while(true)
{
show();
}
}
import java.text.DecimalFormat;
import java.util.Scanner;
import moguiba.ScoreInformation;
public class nanshoua {
static int N=0;
static Scanner scanner=new Scanner(System.in);
static ScoreInformation s[]=new ScoreInformation[99];
public static void show() {
System.out.println("*********************************************************** "+
" 石家庄铁道大学软件工程系 "+
" 学生学籍管理系统 2019 版 "+
"*********************************************************** "+
" 1、 学生考试成绩录入 "+
" 2、 学生考试成绩修改 "+
" 3、 计算学生成绩绩点 "+
" 4、 退出学籍管理系统 "+
"***********************************************************");
int m = scanner.nextInt();
switch (m) { // 主菜单选择
case 1:
add();
break;
case 2:
xiugai();
break;
case 3:
jidian();
break;
case 4:
exi();
break;
default:
System.out.println("该选项不存在");
break;
}
}
public static void shuju(){
int i=0;
for(i=0;i<5;i++)
{
s[i]=new ScoreInformation();
}
s[0].setStunumber("20183517");
s[0].setName("安振");
s[0].setMathematicsscore(0);
s[0].setEnglishiscore(0);
s[0].setNetworkscore(0);
s[0].setDatabasescore(0);
s[0].setSoftwarescore(0);
s[1].setStunumber("20186666");
s[1].setName("齐桓公");
s[1].setMathematicsscore(0);
s[1].setEnglishiscore(0);
s[1].setNetworkscore(0);
s[1].setDatabasescore(0);
s[1].setSoftwarescore(0);
s[2].setStunumber("20181314");
s[2].setName("晋文公");
s[2].setMathematicsscore(0);
s[2].setEnglishiscore(0);
s[2].setNetworkscore(0);
s[2].setDatabasescore(0);
s[2].setSoftwarescore(0);
s[3].setStunumber("20189999");
s[3].setName("楚庄王");
s[3].setMathematicsscore(0);
s[3].setEnglishiscore(0);
s[3].setNetworkscore(0);
s[3].setDatabasescore(0);
s[3].setSoftwarescore(0);
s[4].setStunumber("20180000");
s[4].setName("秦穆公");
s[4].setMathematicsscore(0);
s[4].setEnglishiscore(0);
s[4].setNetworkscore(0);
s[4].setDatabasescore(0);
s[4].setSoftwarescore(0);
N=5;
}
public static void exi() {
System.out.println("*********************************************************** "+
" 谢谢使用石家庄铁道大学软件工程系学生学籍管理系统 2019 版 "+
" 制作人:安振 "+
"***********************************************************");
System.exit(-1);
}
public static void add() { // 录入学生信息
while (true)
{
int t=0;
System.out.println("*****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 请输入学生学号:********");
System.out.println("****************************************************");
System.out.println("请输入八位的学号:");
String a=scanner.next();
for(int i=0;i<N;i++)
{
if(a.equals(s[i].getStunumber()))
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入高等数学成绩:");
System.out.println("****************************************************");
s[i].setMathematicsscore(scanner.nextDouble());
if(s[i].getMathematicsscore()>0&&s[i].getMathematicsscore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 请输入大学英语成绩:");
System.out.println("****************************************************");
s[i].setEnglishiscore(scanner.nextDouble());
if(s[i].getEnglishiscore()>0&&s[i].getEnglishiscore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 请输入计算机网络成绩:");
System.out.println("****************************************************");
s[i].setNetworkscore(scanner.nextDouble());
if(s[i].getNetworkscore()>0&&s[i].getNetworkscore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 请输入数据库成绩:");
System.out.println("****************************************************");
s[i].setDatabasescore(scanner.nextDouble());
if(s[i].getDatabasescore()>0&&s[i].getDatabasescore()<100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 输入数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 请输入软件工程成绩:");
System.out.println("****************************************************");
s[i].setSoftwarescore(scanner.nextDouble());
if(s[i].getSoftwarescore()>0&&s[i].getSoftwarescore()<=100)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩录入界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 软件工程成绩:"+s[i].getSoftwarescore());
System.out.println("****************************************************");
System.out.println(" 该学生成绩已录入完毕,是否提交(Y/N)");
String c=scanner.next();
if(c.equals("Y"))
{
t=1;
break;
}
else
{
s[i].setMathematicsscore(0);
s[i].setEnglishiscore(0);
s[i].setNetworkscore(0);
s[i].setDatabasescore(0);
s[i].setSoftwarescore(0);
break;
}
}
else {t=0;break;}
}
else {t=0;break;}
}
else {t=0;break;}
}
else {t=0;break;}
}
}
else if(i==N-1)System.out.println("该学号不存在");
}
if(t==1)break;
}
}
public static void xiugai()
{
while(true)
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 请输入学生学号:");
System.out.println("****************************************************");
String a=scanner.next();
int i;
int m=0;
for(i=0;i<N;i++)
{
if(a.equals(s[i].getStunumber()))
{
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 1.高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 2.大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 3.计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 4.数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 5.软件工程成绩:"+s[i].getSoftwarescore());
System.out.println("****************************************************");
double x1,x2,x3,x4,x5;
x1=s[i].getMathematicsscore();
x2=s[i].getEnglishiscore();
x3=s[i].getNetworkscore();
x4=s[i].getDatabasescore();
x5=s[i].getSoftwarescore();
System.out.println("请输入要修改的科目:");
int t;
t=scanner.nextInt();
switch(t)
{
case 1:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后的高等数学成绩:");
s[i].setMathematicsscore(scanner.nextDouble());
break;
case 2:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后的大学英语成绩:");
s[i].setEnglishiscore(scanner.nextDouble());
break;
case 3:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后的计算机网络成绩:");
s[i].setNetworkscore(scanner.nextDouble());
break;
case 4:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后数据库的成绩:");
s[i].setDatabasescore(scanner.nextDouble());
break;
case 5:
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 请输入修改后软件工程的成绩:");
s[i].setSoftwarescore(scanner.nextDouble());
break;
}
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩修改界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 1.高等数学成绩:"+s[i].getMathematicsscore());
System.out.println(" 2.大学英语成绩:"+s[i].getEnglishiscore());
System.out.println(" 3.计算机网络成绩:"+s[i].getNetworkscore());
System.out.println(" 4.数据库成绩:"+s[i].getDatabasescore());
System.out.println(" 5.软件工程成绩:"+s[i].getSoftwarescore());
System.out.println(" 该同学成绩已经修改完毕,是否提交(Y/N)");
System.out.println("****************************************************");
String n=scanner.next();
if(n.equals("Y")){m=1;break;}
else
{
s[i].setMathematicsscore(x1);
s[i].setEnglishiscore(x2);
s[i].setNetworkscore(x3);
s[i].setDatabasescore(x4);
s[i].setSoftwarescore(x5);
break;
}
}
else if(i==N-1)
{
System.out.println("该学号不存在");
}
}
if(m==1)break;
}
}
public static void jidian()
{
int t=0;
double mathematicsscore=0;
double englishiscore=0;
double networkscore=0;
double databasescore=0;
double softwarescore=0;
DecimalFormat df=new DecimalFormat("#.00");
double pingjun;
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩绩点计算界面");
System.out.println("****************************************************");
System.out.println(" 请输入学生学号:");
System.out.println("****************************************************");
String a =scanner.next();
for(int i=0;i<N;i++)
{
if(a.equals(s[i].getStunumber()))
{
if(s[i].getMathematicsscore()>=90)mathematicsscore=4;
else if(s[i].getMathematicsscore()>=85&&s[i].getMathematicsscore()<=89.9)mathematicsscore=3.7;
else if(s[i].getMathematicsscore()>=82&&s[i].getMathematicsscore()<=84.9)mathematicsscore=3.3;
else if(s[i].getMathematicsscore()>=78&&s[i].getMathematicsscore()<=81.9)mathematicsscore=3.0;
else if(s[i].getMathematicsscore()>=75&&s[i].getMathematicsscore()<=77.9)mathematicsscore=2.7;
else if(s[i].getMathematicsscore()>=72&&s[i].getMathematicsscore()<=74.9)mathematicsscore=2.3;
else if(s[i].getMathematicsscore()>=68&&s[i].getMathematicsscore()<=71.9)mathematicsscore=2.0;
else if(s[i].getMathematicsscore()>=66&&s[i].getMathematicsscore()<=67.9)mathematicsscore=1.7;
else if(s[i].getMathematicsscore()>=64&&s[i].getMathematicsscore()<=65.9)mathematicsscore=1.5;
else if(s[i].getMathematicsscore()>=60&&s[i].getMathematicsscore()<=63.9)mathematicsscore=1.0;
else if(s[i].getMathematicsscore()<60)mathematicsscore=0;
if(s[i].getEnglishiscore()>=90)mathematicsscore=4;
else if(s[i].getEnglishiscore()>=85&&s[i].getEnglishiscore()<=89.9)englishiscore=3.7;
else if(s[i].getEnglishiscore()>=82&&s[i].getEnglishiscore()<=84.9)englishiscore=3.3;
else if(s[i].getEnglishiscore()>=78&&s[i].getEnglishiscore()<=81.9)englishiscore=3.0;
else if(s[i].getEnglishiscore()>=75&&s[i].getEnglishiscore()<=77.9)englishiscore=2.7;
else if(s[i].getEnglishiscore()>=72&&s[i].getEnglishiscore()<=74.9)englishiscore=2.3;
else if(s[i].getEnglishiscore()>=68&&s[i].getEnglishiscore()<=71.9)englishiscore=2.0;
else if(s[i].getEnglishiscore()>=66&&s[i].getEnglishiscore()<=67.9)englishiscore=1.7;
else if(s[i].getEnglishiscore()>=64&&s[i].getEnglishiscore()<=65.9)englishiscore=1.5;
else if(s[i].getEnglishiscore()>=60&&s[i].getEnglishiscore()<=63.9)englishiscore=1.0;
else if(s[i].getEnglishiscore()<60)englishiscore=0;
if(s[i].getNetworkscore()>=90)networkscore=4;
else if(s[i].getNetworkscore()>=85&&s[i].getNetworkscore()<=89.9)networkscore=3.7;
else if(s[i].getNetworkscore()>=82&&s[i].getNetworkscore()<=84.9)networkscore=3.3;
else if(s[i].getNetworkscore()>=78&&s[i].getNetworkscore()<=81.9)networkscore=3.0;
else if(s[i].getNetworkscore()>=75&&s[i].getNetworkscore()<=77.9)networkscore=2.7;
else if(s[i].getNetworkscore()>=72&&s[i].getNetworkscore()<=74.9)networkscore=2.3;
else if(s[i].getNetworkscore()>=68&&s[i].getNetworkscore()<=71.9)networkscore=2.0;
else if(s[i].getNetworkscore()>=66&&s[i].getNetworkscore()<=67.9)networkscore=1.7;
else if(s[i].getNetworkscore()>=64&&s[i].getNetworkscore()<=65.9)networkscore=1.5;
else if(s[i].getNetworkscore()>=60&&s[i].getNetworkscore()<=63.9)networkscore=1.0;
else if(s[i].getNetworkscore()<60)networkscore=0;
if(s[i].getDatabasescore()>=90)databasescore=4;
else if(s[i].getDatabasescore()>=85&&s[i].getDatabasescore()<=89.9)databasescore=3.7;
else if(s[i].getDatabasescore()>=82&&s[i].getDatabasescore()<=84.9)databasescore=3.3;
else if(s[i].getDatabasescore()>=78&&s[i].getDatabasescore()<=81.9)databasescore=3.0;
else if(s[i].getDatabasescore()>=75&&s[i].getDatabasescore()<=77.9)databasescore=2.7;
else if(s[i].getDatabasescore()>=72&&s[i].getDatabasescore()<=74.9)databasescore=2.3;
else if(s[i].getDatabasescore()>=68&&s[i].getDatabasescore()<=71.9)databasescore=2.0;
else if(s[i].getDatabasescore()>=66&&s[i].getDatabasescore()<=67.9)databasescore=1.7;
else if(s[i].getDatabasescore()>=64&&s[i].getDatabasescore()<=65.9)databasescore=1.5;
else if(s[i].getDatabasescore()>=60&&s[i].getDatabasescore()<=63.9)databasescore=1.0;
else if(s[i].getDatabasescore()<60)databasescore=0;
if(s[i].getSoftwarescore()>=90)softwarescore=4;
else if(s[i].getSoftwarescore()>=85&&s[i].getSoftwarescore()<=89.9)softwarescore=3.7;
else if(s[i].getSoftwarescore()>=82&&s[i].getSoftwarescore()<=84.9)softwarescore=3.3;
else if(s[i].getSoftwarescore()>=78&&s[i].getSoftwarescore()<=81.9)softwarescore=3.0;
else if(s[i].getSoftwarescore()>=75&&s[i].getSoftwarescore()<=77.9)softwarescore=2.7;
else if(s[i].getSoftwarescore()>=72&&s[i].getSoftwarescore()<=74.9)softwarescore=2.3;
else if(s[i].getSoftwarescore()>=68&&s[i].getSoftwarescore()<=71.9)softwarescore=2.0;
else if(s[i].getSoftwarescore()>=66&&s[i].getSoftwarescore()<=67.9)softwarescore=1.7;
else if(s[i].getSoftwarescore()>=64&&s[i].getSoftwarescore()<=65.9)softwarescore=1.5;
else if(s[i].getSoftwarescore()>=60&&s[i].getSoftwarescore()<=63.9)softwarescore=1.0;
else if(s[i].getSoftwarescore()<60)softwarescore=0;
pingjun=(4*s[i].getMathematicsscore()+3*s[i].getEnglishiscore()+4*s[i].getNetworkscore()+3*s[i].getDatabasescore()+2*s[i].getSoftwarescore())/16;
System.out.println("****************************************************");
System.out.println(" 石家庄铁道大学软件工程系学生学籍管理系统2019版");
System.out.println(" 学生考试成绩绩点计算界面");
System.out.println("****************************************************");
System.out.println(" 学生学号:"+s[i].getStunumber());
System.out.println(" 学生姓名:"+s[i].getName());
System.out.println(" 1.高等数学绩点:"+mathematicsscore);
System.out.println(" 2.大学英语绩点:"+englishiscore);
System.out.println(" 3.计算机网络绩点:"+networkscore);
System.out.println(" 4.数据库绩点:"+databasescore);
System.out.println(" 5.软件工程绩点:"+softwarescore);
System.out.println(" 你的平均学分绩点为:"+df.format(pingjun));
if(pingjun>=2)System.out.println(" 你的学分绩点已达到毕业要求!" );
else System.out.println(" 你的学分绩点不满足毕业要求!" );
System.out.println(" 是否返回系统主界面:(Y/N)");
System.out.println("****************************************************");
String c=scanner.next();
if(c.equals("Y")){t=1;break;}
else break;
}
else if(i==N-1)System.out.println("该学号不存在");
}
if(t==1) show();
}
public static void main(String[] args) {
shuju();
while(true)
{
show();
}
}
}
————————————————————————
***********以下是ScoreInformation类。******************
————————————————————————
package moguiba;
public class ScoreInformation {
private String stunumber;
private String name;
private double mathematicsscore;
private double englishiscore;
private double networkscore;
private double databasescore;
private double softwarescore;
public String getStunumber() {
return stunumber;
}
public void setStunumber(String stunumber) {
this.stunumber=stunumber;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name=name;
}
public double getMathematicsscore() {
return mathematicsscore;
}
public void setMathematicsscore(double mathematicsscore) {
this.mathematicsscore=mathematicsscore;
}
public double getEnglishiscore() {
return englishiscore;
}
public void setEnglishiscore(double englishiscore) {
this.englishiscore=englishiscore;
}
public double getNetworkscore() {
return networkscore;
}
public void setNetworkscore(double networkscore) {
this.networkscore=networkscore;
}
public double getDatabasescore() {
return databasescore;
}
public void setDatabasescore(double databasescore) {
this.databasescore=databasescore;
}
public double getSoftwarescore() {
return softwarescore;
}
public void setSoftwarescore(double softwarescore) {
this.softwarescore=softwarescore;
}
public String toString() {
return "学号:"+stunumber+" |"+"姓名:"+name+" |"+"高等数学:"+mathematicsscore+" |"+"大学英语:"+englishiscore+" |"+"计算机网络:"+networkscore+" |"+"数据库:"+databasescore+" |"+"软件工程:"+softwarescore+" |";
}
public static void main(String[] args) {
private String stunumber;
private String name;
private double mathematicsscore;
private double englishiscore;
private double networkscore;
private double databasescore;
private double softwarescore;
public String getStunumber() {
return stunumber;
}
public void setStunumber(String stunumber) {
this.stunumber=stunumber;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name=name;
}
public double getMathematicsscore() {
return mathematicsscore;
}
public void setMathematicsscore(double mathematicsscore) {
this.mathematicsscore=mathematicsscore;
}
public double getEnglishiscore() {
return englishiscore;
}
public void setEnglishiscore(double englishiscore) {
this.englishiscore=englishiscore;
}
public double getNetworkscore() {
return networkscore;
}
public void setNetworkscore(double networkscore) {
this.networkscore=networkscore;
}
public double getDatabasescore() {
return databasescore;
}
public void setDatabasescore(double databasescore) {
this.databasescore=databasescore;
}
public double getSoftwarescore() {
return softwarescore;
}
public void setSoftwarescore(double softwarescore) {
this.softwarescore=softwarescore;
}
public String toString() {
return "学号:"+stunumber+" |"+"姓名:"+name+" |"+"高等数学:"+mathematicsscore+" |"+"大学英语:"+englishiscore+" |"+"计算机网络:"+networkscore+" |"+"数据库:"+databasescore+" |"+"软件工程:"+softwarescore+" |";
}
public static void main(String[] args) {
}
}
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