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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
Updated on 26-Feb-2020 08:24:12
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