第六周作业

package a;

public class ma {

    public static void main(String[] args) {
        int a[]={6,34,55,1,32,4};
        for(int i=0;i<a.length-1;i++){
            for(int n=0;n<a.length-1-i;n++){
            if(a[n]>a[n+1]){
                int c=a[n];
                a[n]=a[n+1];
                a[n+1]=c;
            }
        }
            
        }
        for(int j=0;j<a.length;j++){
            System.out.println(a[j]);
        }
}
}

 

 

package a;

import java.util.Scanner;

public class ma {

    public static void main(String[] args) {
        int []a={34,22,35,67,45,66,12,33};
        int y=0;
        Scanner input=new Scanner(System.in);
        System.out.println("请输入一个数");
        int x=input.nextInt();
        for(int i=0;i<a.length;i++){
            if(x==a[i]){
                y=i;
                break;
            }else{
                y=77;
            }
        }
            if(y==77){
                System.out.println("no found");
            }else{
                System.out.println(y);
            }
        
    }    
}

 

 

package a;
public class ma {

    public static void main(String[] args) {
        double [][]a={{1,2,3,4,5},{6,7,8,9,0},{1,2,3,4,5},{6,7,8,9,0}};
        for(int i=0;i<4;i++){
            for(int j=0;j<5;j++)
                System.out.print(a[i][j]+"\t");
            System.out.println();
        }
    }
}

 

 

package a;

public class ma {

    public static void main(String[] args) {
        int [][]a={{1,27,39,45},{6,7,8,100},{11,24,35,22}};
        int max=a[0][0];
        for(int i=0;i<3;i++){
            for(int j=0;j<4;j++){
                if(a[i][j]>max){
                    max=a[i][j];
                }
            }

        }
        System.out.println(max);
    }
}