Java Vector - isEmpty() Method
The java.util.Vector.isEmpty() method is used to check whether the vector is empty or not. It returns true if the size of the vector is zero, else returns false.
Syntax
public boolean isEmpty()
Parameters
No parameter is required.
Return Value
true if the vector is empty, else returns false.
Exception
NA
Example:
In the example below, the java.util.Vector.isEmpty() method is used to check whether the vector is empty or not.
import java.util.*; public class MyClass { public static void main(String[] args) { //creating a vector Vector<Integer> MyVector = new Vector<Integer>(); //checking vector System.out.println("Is MyVector empty?: " + MyVector.isEmpty()); //populating vector MyVector.addElement(10); MyVector.addElement(20); MyVector.addElement(30); //checking vector System.out.println("Is MyVector empty?: " + MyVector.isEmpty()); } }
The output of the above code will be:
Is MyVector empty?: true Is MyVector empty?: false
❮ Java.util - Vector