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Java program to count the items of a Vector collection

Given a Vector collection, we have to count the items.
Submitted by Nidhi, on May 19, 2022

Problem statement

In this program, we will create an object of the Vector class to store different types of objects. Then we will add objects using add() method. After that, we will count vector elements using the size() method.

Java program to count the items of a Vector collection

The source code to count the items of the Vector collection is given below. The given program is compiled and executed successfully.

// Java program to count the items of 
// Vector collection

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Vector vec = new Vector();

    vec.add("Hello World");

    System.out.println("Size of vector collection: " + vec.size());


Size of vector collection: 4


In the above program, we imported the "java.util.*" package to use the Vector class. Here, we created a public class Main.

The Main class contains a main() method. The main() method is the entry point for the program. And, created an object vec of the Vector class. Then we used add() method to add items to the vector collection. After that, we used the size() method to count vector elements and printed the result.

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