Java Collection Tutorial - Java Vector.contains(Object o)

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Syntax

Vector.contains(Object o) has the following syntax.

public boolean contains(Object o)

Example

In the following code shows how to use Vector.contains(Object o) method.

//from w  w  w. j  a va 2s.c o m
import java.util.Vector;

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 check the existence of number 4 in the vector
      System.out.println(vec.contains(4));                 
   }
}

The code above generates the following result.

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