What does the method firstElement() do in java?

Java 8Object Oriented ProgrammingProgramming

The firstElement() method is used to return the first component (the item at index 0) of this vector.

Example

import java.util.Vector;
public class VectorDemo {
   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);
      System.out.println("First element is :"+vec.firstElement());
   }
}

Output

First element is :4
raja
Published on 08-Feb-2018 09:06:34
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