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Java, Programming

IT Nursery

Good reasons to prohibit inheritance in Java?

What are good reasons to prohibit inheritance in Java, for example by using final classes or classes using a single, private parameterless constructor? ...

June 2, 2022
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Java, Programming

IT Nursery

Final arguments in interface methods – what’s the point?

In Java, it is perfectly legal to define final arguments in interface methods and do not obey that in the implementing class, e.g.: ...

May 30, 2022
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Java, Programming

IT Nursery

Comparing strings with == which are declared final in Java

I have a simple question about strings in Java. The following segment of simple code just concatenates two strings and then compares them ...

May 27, 2022
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Cannot refer to a non-final variable inside an inner class defined in a different method

Edited: I need to change the values of several variables as they run several times thorugh a timer. I need to keep updating ...

May 23, 2022
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Should a “static final Logger” be declared in UPPER-CASE?

In Java, static final variables are constants and the convention is that they should be in upper-case. However, I have seen that most ...

May 20, 2022
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private final static attribute vs private final attribute

In Java, what’s the difference between: private final static int NUMBER = 10; and private final int NUMBER = 10; Both are private ...

May 15, 2022
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Difference between final and effectively final

I’m playing with lambdas in Java 8 and I came across warning local variables referenced from a lambda expression must be final or ...

May 10, 2022
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What is the difference between the “const” and “final” keywords in Dart?

What is the difference between const and final keyword in Dart? 15 Answers 15

May 10, 2022
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Does use of final keyword in Java improve the performance?

In Java we see lots of places where the final keyword can be used but its use is uncommon. For example: String str ...

May 8, 2022
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Why should I use the keyword “final” on a method parameter in Java?

I can’t understand where the final keyword is really handy when it is used on method parameters. If we exclude the usage of ...

May 6, 2022
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