java 程序运行时，老是出现Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 5

很简单 package paixu; import java.util.Scanner; public class Test { public static void main(String[] args) { System.out.println("请输入要排序的数："); int a[] = new int[5]; for (int i = 0; i < a.length; i++) { Scanner scanner = ne