Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.lang.reflect.Array;

public class Main {
    /**
     * Merges two arrays into a new array. Elements from array1 and array2 will
     * be copied into a new array, that has array1.length + array2.length
     * elements.
     *
     * @param pArray1 First array
     * @param pArray2 Second array, must be compatible with (assignable from)
     *                the first array
     * @return A new array, containing the values of array1 and array2. The
     *         array (wrapped as an object), will have the length of array1 +
     *         array2, and can be safely cast to the type of the array1
     *         parameter.
     * @see #mergeArrays(Object,int,int,Object,int,int)
     * @see java.lang.System#arraycopy(Object,int,Object,int,int)
     */
    public static Object mergeArrays(Object pArray1, Object pArray2) {
        return mergeArrays(pArray1, 0, Array.getLength(pArray1), pArray2, 0, Array.getLength(pArray2));
    }

    /**
     * Merges two arrays into a new array. Elements from pArray1 and pArray2 will
     * be copied into a new array, that has pLength1 + pLength2 elements.
     *
     * @param pArray1  First array
     * @param pOffset1 the offset into the first array
     * @param pLength1 the number of elements to copy from the first array
     * @param pArray2  Second array, must be compatible with (assignable from)
     *                 the first array
     * @param pOffset2 the offset into the second array
     * @param pLength2 the number of elements to copy from the second array
     * @return A new array, containing the values of pArray1 and pArray2. The
     *         array (wrapped as an object), will have the length of pArray1 +
     *         pArray2, and can be safely cast to the type of the pArray1
     *         parameter.
     * @see java.lang.System#arraycopy(Object,int,Object,int,int)
     */
    @SuppressWarnings({ "SuspiciousSystemArraycopy" })
    public static Object mergeArrays(Object pArray1, int pOffset1, int pLength1, Object pArray2, int pOffset2,
            int pLength2) {
        Class class1 = pArray1.getClass();
        Class type = class1.getComponentType();

        // Create new array of the new length
        Object array = Array.newInstance(type, pLength1 + pLength2);

        System.arraycopy(pArray1, pOffset1, array, 0, pLength1);
        System.arraycopy(pArray2, pOffset2, array, pLength1, pLength2);
        return array;
    }
}