package aa; import java.util.Scanner; public class text { public static void main(String[] args) { System.out.println("请输入年份:"); Scanner input=new Scanner(System.in); int a=input.nextInt(); if(a%4==0||a%100!=0&&a%400==0){ System.out.println("闰年"); } else{ System.out.println("不是闰年"); } } }
package aa; import java.util.Scanner; public class text { public static void main(String[] args) { int b; System.out.println("请输入会员卡号:"); Scanner input=new Scanner(System.in); int a=input.nextInt(); b=a/100%10; if(b%3==0){ System.out.println("是幸运会员"); } else{ System.out.println("不是幸运会员"); } } }
package aa; import java.util.Scanner; public class text { public static void main(String[] args) { System.out.println("请输入x的值:"); Scanner input=new Scanner(System.in); int x=input.nextInt(); if(x>0){ System.out.println(x+3); } else if(x==0){ System.out.println(0); } else{ System.out.println(x*2-1); } } }
package aa; import java.util.Scanner; public class text { public static void main(String[] args) { System.out.println("请输入三角形的三条边:"); Scanner input=new Scanner(System.in); int x=input.nextInt(); int y=input.nextInt(); int z=input.nextInt(); if(x+y>z&&x+z>y&&y+z>x){ System.out.println("可以构成三角形"); } else{ System.out.println("不能构成三角形"); } } }