python (65.1k questions)

javascript (44.2k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (12.9k questions)

Questions - final

Why can't we make a relationship attribute in spring data JPA final as well?

An Owner entity has a @ManyToOne - @OneToMany relationship with the teacher entity. When I annotate each like this @Entity public class Product { ... @ManyToOne(cascade = MERGE) private final Owner...
test-img

Yelderiny

java

jpa

spring-data-jpa

immutability

final

Votes: 0

Answers: 2

Latest Answer

JPA does not support immutability. A JPA entity does require a default constructor and getters and setters for properties. And the fields must not be final. Technically it would be possible to impleme...
test-img

Jens Schauder

Does Java Evaluate a Variable Declared as Final only Once?

I'm writing a Java program that requires thousands of System.out.println() statements that will be printed hundreds of millions (or billions) of times throughout the lifecycle of the program for debug...
test-img

Erin Parkinson

java

performance

debugging

compiler-optimization

final

Votes: 0

Answers: 2

Latest Answer

The scenario you have is described as "conditional compilation", i.e. the compiler that produces bytecode can optimize away the code if the constant variable is false: "...in order to a...
test-img

M A

Why there Static Final variables in Test classes in java?

I have seen that most of the test classes have constants declared as final static, what the use of keeping them static? We can create constants by final keyword itself?Why to have final static in test...
test-img

user124

java

spring

variables

static

final

Votes: 0

Answers: 1

Latest Answer

Your confusion is on Static and Non-static concepts let's follow the below code public class StaticFinal { private static String staticVariable = "Static Value"; private String nonS...
test-img

Ari

Java Annotation to enforce a compile-time minimum value of a constant?

I'm using the term "constant" loosely. I'm referring specifically to public static int's, which the compiler is free to treat as immediates. I have legacy code that ensures that a value is ...
test-img

alife

java

annotations

constants

final

Votes: 0

Answers: 1

Latest Answer

The Constant Value Checker of the Checker Framework has an @IntRange annotation that does what you want. If you annotate the type of a variable like this: @IntRange(from=0, to=11) int month; then at ...
test-img

mernst

Posts

Questions

Blogs

Jobs