第四周上机作业

1.

package test;
import java.util.Scanner;
public class ree{

    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        System.out.println("请输入x的值");
        int x=sc.nextInt();    
            if(x==1||x==5||x==10){
                System.out.println("x="+x);
            }
            else{
                System.out.println("x=none");
            }
            }
            }
            

2.

package test;
import java.util.Scanner;
public class ree{

    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        System.out.println("请输入x的值");
        int x=sc.nextInt();    
            switch(x){
            case 1:
            case 5:
            case 10:
                System.out.println("x="+x);break;
                default:System.out.println("x=none");
            }
    }
            }
            

 

 

3.

package test;
import java.util.Scanner;
public class ree{

    public static void main(String[] args) {
        System.out.println("请输入一个整数");
        Scanner sc= new Scanner(System.in);
        int value=sc.nextInt();

        
        if(value%5==0&&value%6==0){
            System.out.println("输入的数字"+value+"能被5和6整除");
        }
        else if(value %6==0){
            System.out.print("输入的数字"+value+"能被5整除");
        }
        else if(value %6==0){
            System.out.print("输入的数字"+value+"能被6整除");
        }
        else{
            System.out.println("输入的数字不能被5或6整除");
            
            
        }
        }
        }

4.

package test;
import java.util.Scanner;
public class ree{

public static void main(String[] args) {
Scanner sc= new Scanner(System.in);
System.out.println("请输入分数的值");
int fenshu=sc.nextInt();
if(fenshu<0||fenshu>100){
System.out.println("此为无效分数");
}
else if(fenshu/10>=9 &&fenshu/10<=10){
System.out.println("A");
}
else if(fenshu/10>=8&fenshu/10<9){
System.out.println("B");
}else if(fenshu/10>=7&fenshu/10<8){
System.out.println("C");
}
else if(fenshu/10>=6&fenshu/10<7){
System.out.println("D");
}else if (fenshu/10<6){
System.out.println("E");

}

}

}

5.

public class ree{

    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        System.out.println("请输入x的值");
        int x=sc.nextInt();    
            System.out.println("请输入y的值");
            int y=sc.nextInt();
            System.out.println("请输入z的值");
            int z=sc.nextInt();
            if(x>y&&y>z){
                System.out.println("请输出"+z+","+y+",“+x的值");    
            }else if (x>z &&z>y){
                System.out.println("请输出"+y+","+z+",“+x的值");    
            }else if (y>x &&x>z){
                System.out.println("请输出"+z+","+x+",“+y的值");
            }else if (y>z &&z>x){
                System.out.println("请输出"+x+","+z+",“+y的值");
            }else if (z>y &&y>x){
                System.out.println("请输出"+x+","+y+",“+z的值");
            }else if (z>x &&x>y){
                System.out.println("请输出"+y+","+x+",“+z的值");
                    
                }
                
            }
}