How to Compare two arrays in Java ?

Published on July 5, 2015 by abundantcode

Filed under Java

Last modified July 5, 2015

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You can compare arrays in java using the Array.deepEquals() method . The Array.deepEquals() method in Java lets the developers to compare array objects and return true if both the arrays contains the same objects.

How to Compare two arrays in Java ?

Below is a sample code snippet demonstrating the usage of Array.deepEquals() to compare two arrays.

package com.abundantcode;
import java.util.Arrays;
import java.util.List;
public class Main {

public static void main(String[] args)
{
  String[] input = {"Java", "Abundantcode.com", "MCA Lab Programs", "B.E Java Lab Programs", "BCA Java Programs"};
  String[] input2 = {"Java", "Abundantcode.com", "MCA Lab Programs", "B.E Java Lab Programs", "BCA Java Programs"};
  String[] input3 = {"Java", "Abundantcode.com", "MCA Lab Programs", "B.Tech Java Lab Programs"};

  System.out.println("Comparing input and input2");
  System.out.println("--------------------------");
  System.out.println(Arrays.deepEquals(input,input2));

  System.out.println("Comparing input and input3");
  System.out.println("--------------------------");
  System.out.println(Arrays.deepEquals(input,input3));

}
}

Output

Comparing input and input2
————————–
true
Comparing input and input3
————————–
false

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