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“isBlank() vs. isEmpty() — Which One Should You Choose?”
If you are a Java developer, then definitely you have used String class and its methods in your career. But some of you might have also used one of the isBlank
or isEmpty
methods and some of you always get confused about choosing one of them.
So Let’s talk about what this method is actually about and when we should use one of them. In this blog, I will make sure that you will understand isBlank()
and isEmpty()
Simply.
Let’s Understand isBlank() vs isEmpty().
1. isBlank() :
In Java, isBlank()
is a method introduced in the String
class as part of Java 11. It is used to check if a string is empty or contains only white spaces or escape sequence characters.
isBlank()
returns true if your string is empty.isBlank()
returns true if the string contains whitespacesisBlank()
returns true if it contains escape sequence characters only.isBlank()
returns false if the length of the string is not zero
Here is an example of understanding isBlank()
in a simple way:
2. isEmpty() :
In Java, the isEmpty()
method is also a method in the String
class. It's used to check…