java 数组削减

import java.util.Scanner;
public class arrReduce { 
	//编写一个main方法
	public static void main(String[] args) {
    Scanner myScanner = new Scanner(System.in);
    int arr[] = {1, 2, 3, 4, 5} ;
    do {
    int arrNew[] = new int [arr.length - 1];
    for (int i = 0;i < arr.length -1;i++ ) {
    	arrNew[i] =arr[i];
    }
    arr = arrNew;
    System.out.println("削减后的数值：");
    for (int i = 0;i < arr.length;i++) {
    	System.out.print(arr[i] + "t");
    }
    if (arr.length == 1) {
       	break;
    }
    System.out.println("n");
    System.out.println("是否继续削减最后一位数值y/n");
        char answer = myScanner.next().charAt(0);
        if (answer == 'n') {
        	break;
        }
    } while (true); {
       System.out.println("n");
       System.out.println("已退出");
    }
  }
}

java数组削减代码图，未作注释