Skip to content
Advertisement

Tag: final

java – Set final fields with reflection in Constructor

I’m trying to make a multi-language app with messages inside multiple *.properties files. I’ve started working on something like this: Now, there’s a lot of messages, and I don’t feel like typing the same thing each time (plus there could me typos which could be an issue…). The first solution I thought of was to loop through all of the

Variable might be assigned in loop?

I don’t know why the code is not compiling when final variable is initialized in loop and loop iterate only one time? Is Loop is somehow running more than one time and multiple assignments is done to variable x? Answer The compiler does not care how many times the code in the loop will be executed at run time. To

multiple constructors for final fields in java

I have some final fields in the class like But this gives an error that final field ‘b’ might not have been initialized. So any help would be appreciated on how to handle final attributes initialization in case of multiple constructors. It works fine if I have only the second constructor. Answer You can initialize b to default false. All

Declaring a List field with the final keyword

If I have the following statement within a class where Synapse is an abstract type: Does final allow me to still be able to change the state of the Synapse objects in the List, but prevent me from adding new Synapse objects to the list? If I am wrong, could you please explain what final is doing and when I

Change private static final field using Java reflection

I have a class with a private static final field that, unfortunately, I need to change it at run-time. Using reflection I get this error: java.lang.IllegalAccessException: Can not set static final boolean field Is there any way to change the value? Answer Assuming no SecurityManager is preventing you from doing this, you can use setAccessible to get around private and

Advertisement