The java.util.vector.lastElement() method in Java is used to retrieve or fetch the last element of the Vector. It returns the element present at the last index of the vector.
Syntax:
Vector.lastElement()
Parameters: The method does not take any parameter.
Return Value: The method returns the last element present in the Vector.
Below programs illustrate the Java.util.Vector.lastElement() method:
Program 1:
Java
// Java code to illustrate lastElement() import java.util.*;
public class VectorDemo {
public static void main(String args[])
{
// Creating an empty Vector
Vector<String> vec_tor = new Vector<String>();
// Use add() method to add elements into the Vector
vec_tor.add("Welcome");
vec_tor.add("To");
vec_tor.add("Geeks");
vec_tor.add(" 4 ");
vec_tor.add("Geeks");
// Displaying the Vector
System.out.println("Vector: " + vec_tor);
// Displaying the last element
System.out.println("The last element is: "
+ vec_tor.lastElement());
}
} |
Output:
Vector: [Welcome, To, Geeks, 4, Geeks] The last element is: Geeks
Program 2:
Java
// Java code to illustrate lastElement() import java.util.*;
public class VectorDemo {
public static void main(String args[])
{
// Creating an empty Vector
Vector<Integer> vec_tor = new Vector<Integer>();
// Use add() method to add elements into the Vector
vec_tor.add( 10 );
vec_tor.add( 15 );
vec_tor.add( 30 );
vec_tor.add( 20 );
vec_tor.add( 5 );
// Displaying the Vector
System.out.println("Vector: " + vec_tor);
// Displaying the last element
System.out.println("The last element is: "
+ vec_tor.lastElement());
}
} |
Output:
Vector: [10, 15, 30, 20, 5] The last element is: 5
Time complexity: O(1).
Auxiliary Space: O(1).