Vector add() Method in Java

// Java code to illustrate Adding
// Element in Vector
import java.util.*;

public class GFG 
{
    public static void main(String args[])
    {
        // Creating an empty Vector
        Vector<String> v = new Vector<String>();

        // Use add() method to add elements in the vector
        v.add("A");
        v.add("B");
        v.add("C");
        v.add("D");
        v.add("F");

        // Printing the new vector
        System.out.println("The new Vector is: " + v);
    }
}

// Java code to illustrate 
// boolean add(Object element)
import java.util.*;

public class GFG 
{
    public static void main(String args[])
    {
        // Creating an empty Vector
        Vector<String> v = new Vector<String>();

        // Use add() method to add elements in the vector
        v.add("A");
        v.add("B");
        v.add("C");
        
      	Boolean t = v.add("D");
      
      	// checking if successful
      	if(t==true)
      		System.out.println("Sucessful");
     	else
          	System.out.println("Failed");
        
        // Printing the new vector
        System.out.println("The new Vector is: " + v);
    }
}

// Java Program to demonstrate
// Addition of element at index
import java.util.*;

class GFG 
{
    public static void main (String[] args) 
    {
      
        // Creating an empty Vector
        Vector<Integer> v = new Vector<Integer>();

        // Use add() method to add elements in the vector
        v.add(1);
        v.add(3);
        v.add(5);

      	// Present Vector 
        System.out.println("Vector Initial : " + v);

        // Adding new element at index
      	int index= 1;
        v.add(index,2);

        // Adding new element at index
      	index = 3;
        v.add(index,4);

        // Final Vector
        System.out.println("Vector After Addition : " + v);
        
    }
}