Java Collection Tutorial - Java Vector.clear()

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Syntax

Vector.clear() has the following syntax.

public void clear()

Example

In the following code shows how to use Vector.clear() method.

import java.util.Vector;
/*from ww w.j a  v  a 2 s. c o m*/
public class Main {
   public static void main(String[] args) {
           
      Vector<Integer>  vec = new Vector<Integer> (4);

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

The code above generates the following result.

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