The stack.empty() function in Java returns true if the stack is empty; otherwise, it returns false. In short, this function is used to check if the stack is empty or not.
The image below shows the visual representation of the stack.empty() function.
The
java.util.*module is required in order to use this function.
stack_name.empty();
// where the stack_name is the name of the stack
The stack.empty() function does not require any parameters.
If the stack is empty, the stack.empty() function returns true. Otherwise, it returns false.
import java.util.*;class JAVA {public static void main( String args[] ) {Stack<Integer> Stack1 = new Stack<Integer>();//filled stackStack1.add(0);Stack1.add(2);Stack1.add(5);Stack1.add(3);Stack1.add(1);System.out.println("Stack1 is empty: " + Stack1.empty());//empty stackStack<Integer> Stack2 = new Stack<Integer>();System.out.println("Stack2 is empty: " + Stack2.empty());}}