final

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Immutable Value objects and JPA

Is there way to map immutable Value objects like email address using JPA? @Immutable @Embeddable public final class EmailAddress {[详细]

2023-04-01 10:59 分类：问答
Does it make sense to mark variable as final in groovy?

I wonder how variables marked as final are interpreted by Groovy (in 1.8.0, 1.8.1). I know that it makes sense in Java and it is possible to improve the performance and -- of cour开发者_如何学Gose --[详细]

2023-03-30 16:31 分类：问答
Should I declare a java field 'final' when if it's not modified in code?

My question is mainly about performance. The compiler knows better that, for example, some variable is NOT modified after object instantiation. So, why开发者_运维知识库 bother with final?[详细]

2023-03-28 18:21 分类：问答
Java 7 - Precise rethrow with a final Exception

In previous versions of java, rethrowing an exception was treated as throwing the type of the catch parameter.[详细]

2023-03-25 09:17 分类：问答
Unexpected Behavior wrt the final modifier

This is my code package alpha ; class A1 { static class A11 { private final // WHAT IS THE EFFECT OF THIS MODIFIER?[详细]

2023-03-24 03:11 分类：问答
Final variables as method arguments

I was looking at some code from a colleague and saw the following method: public void someMethod(final String str) {[详细]

2023-03-23 19:18 分类：问答
What's the use case of a protected method in a final class in Java?

Consider this code from the official OpenJDK source of java.awt.font.TextLayout: public final class TextLayout {[详细]

2023-03-23 08:01 分类：问答
Always Use Final?

I have read that making some开发者_如何学Pythonthing final and then using it in a loop will bring better performance, but is it good for everything? I have lots of places where there isnt a loop but I[详细]

2023-03-23 02:26 分类：问答
How could not using "final" be a security issue?

From page 113 of O\'Reilly\'s Essential ActionScript 3.0 (2007): Methods that are final help hide a class’s internal details. Making a class or a[详细]

2023-03-20 03:16 分类：问答
Final variables in onDraw() method

I have a class that extends View and overrides the onDraw(Canvas canvas) method. This view runs animations, so onDraw will be called many times per second. Consider the following example...[详细]

2023-03-18 01:16 分类：问答