Java equals empty

You can use the IsNullOrWhiteSpace method to test whether a string is null , its value is String. Empty, or it consists only of white-space characters.

isEmpty(String str) – Checks if a String is empty (“”) or null. StringUtils. isBlank(String str) – Checks if a String is whitespace, empty (“”) or null. For non-Java users like myself; be sure to include import org.

In C#, IsNullOrEmpty() is a string method. It is used to check whether the specified string is null or an Empty string. A string will be null if it has not been assigned a value . A string will be empty if it is assigned “” or String.

Java 11 onward String class in Java has a isBlank() method that returns true if the string is empty or contains only white spaces, false otherwise. As you can see with isBlank() it also checks if String has only spaces. That’s all for the topic Check if a String is Null or Empty in Java.11 Kas 2021