converse Array - Java Collection Framework

Java examples for Collection Framework:Array Element

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Description

converse Array

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        Object[] arr = new String[] { "1", "abc", "level", null,
                "java2s.com", "asdf 123" };
        System.out.println(java.util.Arrays.toString(converseArray(arr)));
    }/*from   w  ww . j  a  v  a2 s  .  co  m*/

    public static Object[] converseArray(Object[] arr) {
        Object para = null;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static int[] converseArray(int[] arr) {
        int para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static char[] converseArray(char[] arr) {
        char para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static byte[] converseArray(byte[] arr) {
        byte para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static short[] converseArray(short[] arr) {
        short para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static long[] converseArray(long[] arr) {
        long para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static float[] converseArray(float[] arr) {
        float para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }

    public static double[] converseArray(double[] arr) {
        double para;
        for (int i = 0; i <= arr.length / 2; i++) {
            para = arr[i];
            arr[i] = arr[arr.length - 1 - i];
            arr[arr.length - 1 - i] = para;
        }
        return arr;
    }
}

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