Java String isEmpty() method with example
Java.lang.String.isEmpty() String method checks whether a String is empty or not. This method returns true if the given string is empty, else it returns false. The isEmpty() method of String class is included in java string since JDK 1.6. In other words, you can say that this method returns true if the length of the string is 0.
Examples:
Input String1 : Hello_Gfg Input String2 : Output for String1 : false Output for String2 : true
Syntax:
public boolean isEmpty() Returns : true if the length of the string is 0.
// Java program to demonstrate working of // isEmpty() methodclass Gfg { public static void main(String args[]) { // non-empty string String str1 = "Hello_Gfg"; // empty string String str2 = ""; // prints false System.out.println(str1.isEmpty()); // prints true System.out.println(str2.isEmpty()); }} |
Output:
false true
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