Copy.java

gistfile1.txt

package test;

import java.util.Arrays;

public class Copy {

	public static void main(String[] args) {
		int []src={1,2,3};
		int []dest={0,7,9,8,34};
		
		copyArray(src,0,dest,0,3);
		
		System.out.println(Arrays.toString(dest));;

	}
    static void copyArray(int[]src,int srcPos, int[]dest, int destPos,int length)
    {
    	if(src==null || dest == null || srcPos>src.length-1 ||
    		src.length<length || dest.length<(destPos+length))
    	{
    		System.out.println("arguments not correct, arrays don't change");
    		return;
    	}
    	
    	for(int i=destPos;i<destPos+length;i++)
    	{
    		dest[i]= src[srcPos++];
    	}
    }
}