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Showing posts with label basics. Show all posts
Showing posts with label basics. Show all posts

blank final variable in Java and How to use a blank final variable in Java with Example

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What is blank final variable in Java Blank final variable in Java is a final variable which is not initialized while declaration, instead they are initialized in a constructor. Java compiler will complain if a blank final variable is not initialized during construction. If you have more than one constructor or overloaded constructor in your class then blank final variable must be initialized in all of them, failing to do so is a compile-time error in Java. Alternatively, you can use constructor chaining to call one constructor from other using this keyword, in order to delegate initialization of blank final variable in Java. In this Java tutorial, we will see What is blank final variable in Java and a code example on How to use a blank final variable. How to use a blank final variable in Java with Example What is a blank final variable in Java with an example? The blank final variable is like any other final variable but must be initialized in the constructor as shown in below e

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