final String str = "do not change me"; str = "why not?"; //it will result in compile time error saying that final fields can not be re-assigned once created i.e. the reference cannot be changed ...
I'm a programing student. I've been having problem to organize Java classes that use inheritance and static final variables. Let say I have an abstract class named Form that has two children named ...
Java: How to make local fields & parameters final without having a 'final' keyword on each declaration
By default, I want all my local variables and method parameters to be final. Unfortunately, the Java language designers chose a different default: variables¶meters are by default non-final, ...
I have a class in which I want to disallow other programmers from overriding one of it's methods, since it requires special knowledge of the inner workings of the class. Since I personally know how ...
In Java, there is the final keyword in lieu of the const keyword in C and C++. In the latter languages there are mutable and immutable methods such as stated in the answer by Johannes Schaub - litb ...
Studying some classes of Android, I realized that most of the variables of methods are declared as final. Example code taken from the class android.widget.ListView: /** * @return Whether the list ...
Since I discovered the powers of the final keyword in Java a few years ago, it helped me to make my codes a lot more readable, since people can easily see what are read-only variables. It may also ...
While I understand what the final keyword is used for in the context of classes and methods as well as the intent of its use for in regards to variables; however, the project I just started working on ...
I am refactoring a PHP OOP legacy website. I am so tempted to start using 'final' on classes to "make it explicit that the class is currently not extended by anything". This might save lots of time ...
Java allows marking variables (fields / locals / parameters) as final, to prevent re-assigning into them. I find it very useful with fields, as it helps me quickly see whether some attributes - or an ...