复利计算器4.0 java版
Posted 30卢利钦
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import java.util.Scanner; public class FuLi { public static void main(String[] args) { double N=1; Scanner scanner=new Scanner(System.in); System.out.println("请选择复利计算(1)or单利计算(2)or计算本金(3)or投资年数(4)or报酬率(5)or年资产总值(6)or月资产总值(7):"); int choose=scanner.nextInt(); if(choose==1){ System.out.println("请输入本金:"); float P=scanner.nextInt(); System.out.println("请输入利率:"); float i=scanner.nextFloat(); System.out.println("存入时间:"); float n=scanner.nextFloat(); fuli(N, P, i, n); } if(choose==2){ System.out.println("请输入本金:"); float P=scanner.nextInt(); System.out.println("请输入利率:"); float i=scanner.nextFloat(); System.out.println("存入时间:"); float n=scanner.nextFloat(); danLi(P, i,n); } if(choose==3){ System.out.println("请输入获得金钱:"); double total=scanner.nextDouble(); System.out.println("请输入利率:"); double i=scanner.nextDouble(); System.out.println("存入时间:"); double n=scanner.nextDouble(); yangLaoJin(i,total,n); } if(choose==4){ System.out.println("求存款时长\n"); System.out.println("------------------------------\n"); System.out.println("请输入你所存入的本金:\n"); double P=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println("请输入你所存的报酬率:\n"); double i=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println(" 到最后期望的金额:\n"); double total=scanner.nextDouble(); maiGuPiao(P,i,total); } if(choose==5) { System.out.println("求报酬率\n"); System.out.println("------------------------------\n"); System.out.println("请输入你所存入的本金:\n"); double P=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println(" 请输入你所存的存款时长:\n"); double n=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println(" 到最后期望的金额:\n"); double total=scanner.nextDouble(); bangZhaoTouZhi(P,n,total); } if(choose==6) { System.out.println("一定年份资金总额\n"); System.out.println("------------------------------\n"); System.out.println("请输入你所存入的本金:\n"); double P=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println("请输入你所存的报酬率:\n"); double i=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println("请输入你所存的存款时长:\n"); double n=scanner.nextDouble(); duoCiTouZhi(P,i,n); } if(choose==7) { System.out.println("月等额本息还款计算\n"); System.out.println("------------------------------\n"); System.out.print("请输入你所贷款金额:\n"); double total=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println("请输入你所贷款的年利率:\n"); double i=scanner.nextDouble(); System.out.println("------------------------------\n"); System.out.println("请输入你贷款的还款时长(月):\n"); double m=scanner.nextDouble(); daiKuan(total,i,m); } } private static void daiKuan(double total,double i,double m) { double n = m*12; double money = total*i*Math.pow((1.0+i),n)/(Math.pow(1.0+i,n)-1); System.out.println("你每月等额本息还款是:"+money); } private static void duoCiTouZhi(double P,double i,double n) { double total=P*Math.pow(1+i,n); System.out.println("------------------------------\n"); System.out.println("你所获得的总金额是:"+total); } private static void maiGuPiao(double P,double i,double total) { i=i*100; double n=(72/i); System.out.println("------------------------------\n"); System.out.println("通过复利的股票型存款,得到期望金额大概所需要的年份:\n"+n); } private static void bangZhaoTouZhi(double P,double n,double total) { double base= (double) (((total-P)/P)/n); System.out.println("通过复利的股票型存款本金翻倍的报酬率为:"+base); } private static void yangLaoJin(double i, double total,double n) {//n 时间 i 利率 for(int j=1;j<=n;j++){ i=(1+n)*i; } double money=total/i; System.out.println("需要本金:"+money); } private static void danLi(double P, double i,double n) { double G; G=P+P*i*n; System.out.println("单利终值为:"+G); } private static void fuli(double N, double P, double i, double n) { for(int j=1;j<=n;j++){ N=(1+i)*N; } double F; F=P*N; System.out.println("复利终值为:"+F); } }
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