expand Array's length - Java Collection Framework

Java examples for Collection Framework:Array Length

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Description

expand Array's length

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        int[] data = new int[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        int size = 2;
        System.out.println(java.util.Arrays
                .toString(expandArray(data, size)));
    }//from   w  w  w. ja v  a2s  .  co  m

    public static int[] expandArray(int[] data, int size) {
        int length = data.length;
        int[] copy = new int[length + size];
        System.arraycopy(data, 0, copy, 0, Math.min(length, copy.length));
        return copy;
    }
}

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