package com.guoba.array;
public class Demo04 {
public static void main(String[] args) {
int[] arr = {1,2,3,4,5,6};
//JDK1.5,没有下标,增强for循环。
for (int i : arr) {
System.out.println(i);
}
System.out.println("========================");
//printArray(arr);
int[] reverse = reverse(arr);//反转数组arr
printArray(reverse);//打印结果reverse
}
//打印数组元素
public static void printArray(int[] arr){
for (int j = 0; j < arr.length; j++) {
System.out.print(arr[j]+" ");
}
}
//反转数组
public static int[] reverse(int[] arr){
int[] result = new int[arr.length];
//反转的操作
for (int i = 0,j = result.length-1;i < arr.length;i++,j--) {
result[j] = arr[i];
}
return result;
}
}