作业 刘惠惠
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public class Sum { public static void main(String[] args) { System.out.println("5+5="+5+5); }
public class Increment { public static void main(String[] args) { int a=3,b; b=a++; System.out.println("a="+a+",b="+b); } }
public class Short { public static void main(String[] args) { short s=3; s+=4; System.out.println("s="+s); } }
public class Count { public static void main(String[] args) { System.out.println(6&3); System.out.println(6|3); System.out.println(6^3); System.out.println(6<<3); System.out.println(3<<2); System.out.println(3>>1); } }
public class Countc { public static void main(String[] args) { int x=0,y; y=x>1?100:200; System.out.println("y="+y); }
public class ComeputeA { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("输入两个数:"); int a=input.nextInt(); int b=input.nextInt(); a=a>b?a:b; System.out.println(a); }
public class ComeputeB { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("输入三个数:"); int a=input.nextInt(); int b=input.nextInt(); int c=input.nextInt(); a=a>b?a:b; c=a>c?a:c; System.out.println(c); } }
public class WeekDay { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("请输入一个一到七之间的数:"); int weekday=input.nextInt(); if(weekday==1) System.out.println("今天星期一"); if(weekday==2) System.out.println("今天星期二"); if(weekday==3) System.out.println("今天星期三"); if(weekday==4) System.out.println("今天星期四"); if(weekday==5) System.out.println("今天星期五"); if(weekday==6) System.out.println("今天星期六"); if(weekday==7) System.out.println("今天星期日"); } }
public class SeasonA { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.println("请输入一个数:"); int a=input.nextInt(); switch(a) { case 1: case 2: System.out.println("冬天来了!"); break; case 3: case 4: case 5: System.out.println("春天来了!"); break; case 6: case 7: case 8: System.out.println("夏天来了!"); break; case 9: case 10: case 11: System.out.println("秋天来了!"); break; case 12: default: System.out.println("出错!"); } } }
public class Season { public static void main(String[] args) { Scanner input=new Scanner(System.in); System.out.print("输入一个月份:"); int a=input.nextInt(); if(a>=3&&a<=5) System.out.println("春天来了!"); if(a>=6&&a<=8) System.out.println("夏天来了!"); if(a>=9&&a<=11) System.out.println("秋天来了!"); if(a>=12&&a<=2) System.out.println("冬天来了!"); } }
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