[java] isEmpty()

Java String isEmpty

The java string isEmpty() method checks if this string is empty. It returns true, if length of string is 0 otherwise false.

The isEmpty() method of String class is included in java string since JDK 1.6.

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Signature

The signature or syntax of string isEmpty() method is given below:

1. public boolean isEmpty()  

public boolean isEmpty()

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Returns

true if length is 0 otherwise false.

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Since

1.6

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Java String isEmpty() method example

1. public class IsEmptyExample{  
2. public static void main(String args[]){  
3. String s1="";  
4. String s2="javatpoint";  
5.   
6. System.out.println(s1.isEmpty());  
7. System.out.println(s2.isEmpty());  
8. }}  

public class IsEmptyExample{ public static void main(String args[]){ String s1=""; String s2="javatpoint"; System.out.println(s1.isEmpty()); System.out.println(s2.isEmpty()); }}

Test it Now

true
false