Java Vector - size() Method
The java.util.Vector.size() method returns the number of elements in the vector.
Syntax
public int size()
Parameters
No parameter is required.
Return Value
Returns the number of elements in the vector.
Exception
NA
Example:
In the example below, the java.util.Vector.size() method is used to find out the number of elements in the vector.
import java.util.*; public class MyClass { public static void main(String[] args) { //creating a vector Vector<Integer> MyVector = new Vector<Integer>(); //populating vector MyVector.add(10); MyVector.add(20); MyVector.add(30); System.out.println("Size of MyVector: " + MyVector.size()); //adding one more element in the vector System.out.println("40 is added in MyVector."); System.out.println("Now, Size of MyVector: " + MyVector.size()); } }
The output of the above code will be:
Size of MyVector: 3 40 is added in MyVector. Now, Size of MyVector: 4
❮ Java.util - Vector