二次上机 1804 张垚

package ert;

import java.util.*;

public class l {
		public static void main(String[] args){
					System.out.println("输入变量x:");
					Scanner input = new Scanner(System.in);
					int x=input.nextInt();
					if(x!=1&&x!=5&&x!=10){
						System.out.println("x=none");
					}else if(x==1){
						System.out.println("x=1");
					}else if(x==5){
						System.out.println("x=5");
					}else if(x==10){
						System.out.println("x=10");
					}
				}

			}
		
					 

　　

package ert;

import java.util.*;

public class l {
		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();
						switch(x){
						case 1: System.out.println("x=1"); break;
						case 5: System.out.println("x=5"); break;
						case 10:System.out.println("x=10"); break;
						default:System.out.println("x=none"); 
						}
					}

				}

　　

package ert;

import java.util.*;

public class l {
		public static void main(String[] args){
			
					Scanner input = new Scanner(System.in);
					System.out.println("输入数字:");
					int a=input.nextInt();
					if(a%5==0&&a%6==0){
						System.out.println("可以被5,6整除");
					}else if(a%5==0&&a%6!=0){
						System.out.println("能被5整除");
					}else if(a%5!=0&&a%6==0){
						System.out.println("能被6整除");
					}else if(a%5!=0&&a%6!=0){
						System.out.println("不能被5，6整除");
					}
				}

			}

　　

package ert;

import java.util.*;

public class l {
	public static void main(String[] args) {
		
				System.out.println(" 输入分数:");
				Scanner input = new Scanner(System.in);
				int x=input.nextInt();
				if(x<0||x>100){
		            System.out.println("无效");
		        }else if(x>=90){
		            System.out.println("A");
		        }else if(x>=80){
		            System.out.println("B");
		        }else if(x>=70){
					System.out.println("C");
				}else if(x>=60){
					System.out.println("D");
				}else if(x<60){
					System.out.println("E");
				}
				
		}
		}

　　

package ert;

import java.util.*;

public class l {
		public static void main(String[] args){
		    Scanner sc=new Scanner(System.in);
		    System.out.println("请输入三个整数：");
		    int a=sc.nextInt();
		    int b=sc.nextInt();
		    int c=sc.nextInt();
		    int d;
		    if(a>b){
		        d=b;
		        b=a;
		        a=d;
		    }
		    if(a>c){
		        d=c;
		        c=a;
		        a=d;
		    }
		    if(b>c){
		        d=c;
		        c=b;
		        b=d;
		    }
		    System.out.println(a+" "+b+" "+c);
		}
	}