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How to check if String is empty in Java?
The isEmpty() method of the String class returns true if the length of the current string is 0.
Example
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()); } }
Output
length of string = 14 is this string empty? = false
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