/*
	http://www.ProbCOMP.com	

	To Compare 2 arrays we use Arrays class equals method.As Objects class 'equals' method and '==' only checks 		wether the variables refrences are same or not. Equals method checks the elements of the array.

*/

 import java.util.Arrays;
 public class ComparingArray{
	public static void main(String args[])
	{
		int[] originalArray = {1,2,3,4,5};
		int[] copyArray = new int[5];
		System.arraycopy(originalArray, 0, copyArray, 0, originalArray.length);
		
		// Objects class method only compares refrences and not the values thus the value returned will be false as in case of copy or clone
		// the arrays are stored and different locations
		
		System.out.println("\nCompare");
        System.out.println("Using Object class equals() method: " + (originalArray.equals(copyArray)));
		System.out.println("Using ==: " + (originalArray == copyArray));
        System.out.println("Using Arrays class equals() method: " + (Arrays.equals(originalArray, copyArray)));
        
		int[] clonedArray = originalArray.clone();

		System.out.println("\nCompare");
        System.out.println("Using Object class equals() method: " + (originalArray == clonedArray));
        System.out.println("Using ==: " + (originalArray.equals(clonedArray)));
        System.out.println("Using Arrays class equals() method: " + (Arrays.equals(originalArray, clonedArray)));
    }
}