What is a blank final variable in Java?
The blank final variable in Java is a final variable that 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 a 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 another using this keyword, in order to delegate initialization of a blank final variable in Java. In this Java tutorial, we will see what is blank final variable is in Java and a code example on How to use a blank final variable.
