Question

How to check if a string is empty in Java

Answer 1

public class MyClass {
    public static boolean isEmpty(String s) {
        return s.length() == 0; 
    }
    public static void main(String args[]) {
        String s1 = "";
        String s2 = "java";

        System.out.println(isEmpty(s1));
        System.out.println(isEmpty(s2));
    }
}


/*
run:

true
false

*/

 

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