Array Copy Java Tutorial

Posted: February 20, 2012 in Java Posts
Tags: , , , , ,

The contents of one array can be copied into another array by using the arraycopy() method of the System class in Java.

The arraycopy() method accepts source array, source length, destination array and destination length.

The following program shows the use of arraycopy() method to copy the contents of one array to another .


package com.example;

/** This class is a Java tutorial for array copy example code
*
* @author Extreme Java
*/
public class Test{

/** This method shows how to perform array copy operation in Java
*
* @param args
*/
public static void main(String[] args){
int[] src = new int[] {1, 2, 3, 4, 5};

int[] dest = new int[src.length];

System.arraycopy(src, 0, dest, 0, src.length);

for (int i = 0; i < dest.length; i++){
System.out.println(dest[i]);
}
}
}

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