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Showing content from https://www.geeksforgeeks.org/java/vector-equals-method-in-java/ below:

Vector equals() Method in Java

Last Updated : 11 Jul, 2025

The

java.util.vector.equals(Object obj)

method of Vector class in Java is used verify the equality of an Object with a vector and compare them. The list returns true only if both Vector contains same elements with same order.

Syntax:

first_vector.equals(second_vector)

Parameters:

This method accepts a mandatory parameter

second_vector

which refers to the second Vector to be compared to the first Vector.

Return value:

The method returns

true

if the equality holds and both the objects and vector are equal else it returns

false

. Below programs are used to illustrate the working of the java.util.Vector.elements() method:

Program 1: Java


 // Java code to illustrate the equals() method
import java.util.*;

public class Vector_Demo {
    public static void main(String[] args)
    {

        // Creating an empty Vector
        Vector<String> vec_tor1 = new Vector<String>(5);

        // Inserting elements into the table
        vec_tor1.add("Geeks");
        vec_tor1.add("4");
        vec_tor1.add("Geeks");
        vec_tor1.add("Welcomes");
        vec_tor1.add("You");

        // Displaying the Vector
        System.out.println("The Vector is: "
                           + vec_tor1);

        // Creating an empty Vector
        Vector<String> vec_tor2 = new Vector<String>(5);

        // Inserting elements into the table
        vec_tor2.add("Geeks");
        vec_tor2.add("4");
        vec_tor2.add("Geeks");
        vec_tor2.add("Welcomes");
        vec_tor2.add("You");

        // Displaying the Vector
        System.out.println("The Vector is: "
                           + vec_tor2);

        System.out.println("Are both of them equal? "
                           + vec_tor1.equals(vec_tor2));
    }
}

Output:

The Vector is: [Geeks, 4, Geeks, Welcomes, You]
The Vector is: [Geeks, 4, Geeks, Welcomes, You]
Are both of them equal? true

Program 2 : Java


 // Java code to illustrate the equals() method
import java.util.*;

public class Vector_Demo {
    public static void main(String[] args)
    {

        // Creating an empty Vector
        Vector<Integer> vec_tor1 = new Vector<Integer>(5);

        // Inserting elements into the table
        vec_tor1.add(10);
        vec_tor1.add(15);
        vec_tor1.add(20);
        vec_tor1.add(25);
        vec_tor1.add(30);

        // Displaying the Vector
        System.out.println("The Vector is: " + vec_tor1);

        // Creating an empty Vector
        Vector<Integer> vec_tor2 = new Vector<Integer>(6);

        // Inserting elements into the table
        vec_tor2.add(10);
        vec_tor2.add(15);
        vec_tor2.add(20);
        vec_tor2.add(25);
        vec_tor2.add(30);
        vec_tor2.add(40);

        // Displaying the Vector
        System.out.println("The Vector is: " + vec_tor2);

        System.out.println("Are both of them equal? "
                           + vec_tor1.equals(vec_tor2));
    }
}

Output:

The Vector is: [10, 15, 20, 25, 30]
The Vector is: [10, 15, 20, 25, 30, 40]
Are both of them equal? false

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