第四次java作业

package yugh;
public class pkp {
	public static void show(int x) {
		  if (x == 1 || x == 5 || x == 10) {
		   System.out.println("x=" + x);
		  } else {
		   System.out.println("x=none");
		  }
		 }

		 public static void main(String[] args) {
		  show(1);
		  show(10);
		  show(5);
		 }
		}

　　

package yugh;
import java.util.Scanner;
public class pkp {
	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");
        }
    }    
}

　　

package yugh;
import java.util.Scanner;
public class pkp {
	 public static void main(String[] args) {
	        Scanner sc= new Scanner(System.in);
	        System.out.println("请输入这个数的值");
	        int x=sc.nextInt();
	        if(x%5==0 && x%6==0) {
	            System.out.println(x+"能被5和6整除");
	        }else if(x%5==0 ){
	            System.out.println(x+"能被5整除");
	        }else if(x%6==0) {
	            System.out.println(x+"能被6整除");
	        }else {
	            System.out.println(x+"不能被5或6整除");
	        }
	    }    
	}

　　

package yugh;
import java.util.Scanner;
public class pkp {
	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("输出"+z+","+y+","+x);
		}else if(x>z && z>y) {
			System.out.println("输出"+y+","+z+","+x);
		}else if(y>x && x>z) {
			System.out.println("输出"+z+","+x+","+y);
		}else if(y>z && z>x) {
			System.out.println("输出"+x+","+z+","+y);
		}else if(z>y && y>x) {
			System.out.println("输出"+x+","+y+","+z);
		}else if(z>x && x>y) {
			System.out.println("输出"+y+","+x+","+z);
		}
	}	
}

　　

package yugh;
import java.util.Scanner;
public class pkp {
	public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        System.out.println("请输入分数的值");
        int x=sc.nextInt();
        if(x<0 || x>100) {
            System.out.println("打印分数无效");
        }else if(x/10>=9 && x/10<=10) {
            System.out.println("A");
        }else if(x/10>=8 & x/10<9) {
            System.out.println("B");
        }else if(x/10>=7 & x/10<8) {
            System.out.println("C");
        }else if(x/10>=6 & x/10<7) {
            System.out.println("D");
        }else if(x/10<6) {
            System.out.println("E");
        }
    }    
}