数组2

Posted 2022-03-12 hellsino

import java.util.Arrays;
import java.util.Scanner;

public class Test 
    public static void main(String[] args) 
        Scanner in = new Scanner(System.in);
        int[] nums=80,62,73,99,88;
        Arrays.sort(nums);//升序
        int num2[]=new int[nums.length];

        for (int i = 0; i <nums.length ; i++) 
            num2[nums.length-1-i]=nums[i];
        

        num2=Arrays.copyOf(num2,num2.length+1);//扩容

        System.out.print("输入一个数：");
        int num=in.nextInt();
        int index=-1;
        for (int i = 0; i <num2.length ; i++) //插入数，找下标
            if(num>num2[i])
                index=i;
                break;
            
        

        if(num==-1)
            num2[nums.length-1]=num;
        else
            for(int i=num2.length-2;i>=index;i--)
                num2[i+1]=num2[i];
            

            num2[index]=num;
        


        //循环移位，从后往前

        for (int i:num2) 
            System.out.println(i);
        
    

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