数组使用
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package com.guo.arry;public class ArrayDemo04 {public static void main(String[] args) {int[] arrays = {1,2,3,4,5};//JDK1.5,没有下标/*for (int array : arrays) {System.out.println(array);}*///printArray(arrays);/*reverse(arrays);printArray(reverse(arrays));*/int[] reverse = reverse(arrays);printArray(reverse);}// 方法：反转数组public static int[] reverse(int[] arrays){int[] result = new int[arrays.length]; //定义数组result，长度和数组arrays相等/* reault[4]=arrays[0];reault[3]=arrays[1];reault[2]=arrays[2];reault[1]=arrays[3];reault[0]=arrays[4];*/for (int i = 0,j=result.length-1; i < arrays.length; i++,j--) {result[j] = arrays[i];}return result;}// 方法：打印所有元素public static void printArray(int[] arrays){for (int i = 0; i <arrays.length; i++) {System.out.println(arrays[i]+"");}}
}
