第六周作业

package task1;
import java.util.*;
public class q {
    public static void main(String[] args) {
        int[] a = {1,2,4,3,5};
        for(int i=0; i<a.length-1; i++) {  
            for(int b=0; b<a.length-i-1; b++) {  
                if(a[b]>a[b+1]) {
                    int temp = a[b];
                    a[b] = a[b+1];
                    a[b+1] = temp;
                    }
                }
            }
        for(int element : a) {
            System.out.print(element+";");
            }
        }
    }

package task1;
import java.util.*;
public class q {
    public static void main(String[] args) {
        int[] arr= { 34, 22, 35, 67, 45, 66, 12, 33 };
        Scanner sc = new Scanner(System.in);
        System.out.println("输入数字:");
        int a = sc.nextInt();
        int b = 0;
        for (int i = 0; i < arr.length; i++) {
            if (a == arr[i]) {
                System.out.println("下标为：" + i);
                b=1;
                }
            }
        if (b == 0) {
        System.out.println("not found");
            }
        }
    }

package task1;
import java.util.*;
public class q {
    public static void main(String[] args) {
        double [][] arr={{1,2,3,4},{5,6,7,8,9},{9,6,7,2},{1,2,3,6},{7,9,6,5}};
        for(int i=0;i<arr.length;i++){
            for(int j=0;j<arr.length-1;j++){
               System.out.print(arr[i][j]);
            }
            System.out.println( );
            }
        }
    }