Java String isEmpty() method example.

The isEmpty() method of the String class returns true if the length of the current string is 0.


 Live Demo

import java.lang.*;
public class StringDemo {
   public static void main(String[] args) {
      String str = "tutorialspoint";
      //prints length of string
      System.out.println("length of string = " + str.length());
      //checks if the string is empty or not
      System.out.println("is this string empty? = " + str.isEmpty());


length of string = 14
is this string empty? = false