数组的缩减(Java)

import java.util.Scanner;

public class ArrayReduce {
    public static void main(String[] ages) {
        //创建扫描器对象
        Scanner sc = new Scanner(System.in);
        //创建整形数组并赋初值(静态赋值)
        int[] array = {1, 2, 3, 4, 5};
        //输出原数组
        System.out.println("\n原数组中的值->->->");
        for (int i = 0; i < array.length; i++) {
            System.out.print(array[i] + "\t");
        }
        while (true) {
            //创建新数组接受原数组缩减后的值
            int[] newarray = new int[array.length - 1];
            if(newarray.length == 0){
                System.out.println("\n该数组已缩减到最小空间了,已为你停止缩减,欢迎下次光临!");
                return;
            }
            //将前数组的值一一赋值给后数组
            for(int i = 0;i < newarray.length; i++){
                newarray[i] = array[i];
            }
            System.out.println("\n\n是否继续缩减(y/n)");
            char key = sc.next().charAt(0);
            if (key == 'y') {
                System.out.println("缩减后数组中的值->->->");
                for (int i = 0; i < newarray.length; i++) {
                    System.out.print(newarray[i] + "\t");
                    /**
                     * 重中之重,每次循环接受缩减后的数据
                     * 无此语句,每次都是接受array数组的数据
                     */
                    array = newarray;

                }
            } else if (key == 'n') {
                System.out.println("已停止输入,欢迎下次光临!");
                return;
            } else {
                System.out.println("输入有误请重新输入->->->");
                key = sc.next().charAt(0);
            }
        }
    }
}

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转载自blog.csdn.net/weixin_54702911/article/details/121569194