java.util.Vector.size() Method


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Description

The size() method is used to return the number of components in this vector.

Declaration

Following is the declaration for java.util.Vector.size() method

public int size()

Parameters

NA

Return Value

The method call returns the number of components in this vector.

Exception

NA

Example

The following example shows the usage of java.util.Vector.size() method.

Live Demo
package com.tutorialspoint;

import java.util.Vector;

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

      // create an empty Vector vec with an initial capacity of 4      
      Vector<Integer> vec = new Vector<Integer>(4);

      // use add() method to add elements in the vector
      vec.add(4);
      vec.add(3);
      vec.add(2);
      vec.add(1);

      // let us print the size of the vector
      System.out.println("Size of the vector: "+vec.size());
   }    
}

Let us compile and run the above program, this will produce the following result.

Size of the vector: 4

java_util_vector.htm

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