Questions tagged [java-synthetic-methods]
17 questions
51
votes
6 answers
Eclipse warning about synthetic accessor for private static nested classes in Java?
My coworker suggested making several of the Eclipse code-formatting and warning settings to be more rigorous. The majority of these changes make sense, but I get this one weird warning in Java. Here's some test code to reproduce the…
Jason S
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48
votes
1 answer
Inline function cannot access non-public-API: @PublishedApi vs @Suppress vs @JvmSynthetic
In Kotlin, when I have a non-public member and an inline fun that calls it, there's a compilation error saying:
Error:(22, 25) Kotlin: Public-API inline function cannot access non-public-API private fun f(): Unit defined in com.example
I found…
hotkey
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28
votes
3 answers
What is the meaning of "static synthetic"?
I am looking at some disassembled code obtained from Java bytecode. I see some declaration as follows:
.method static synthetic access$0()Lcom/package/Sample;
I am not able to figure out what the synthetic or access$0 mean. Can someone please help…
Legend
- 113,822
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22
votes
5 answers
Synthetic accessor method warning
I've made some new warning settings in eclipse. With these new settings I'm facing a strange warning. After reading I got to know what it is but couldn't find a way to remove it.
Here is my problem with the sample code
public class Test {
…
Rites
- 2,242
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16
votes
2 answers
What's the penalty for Synthetic methods?
While developing a Java application under Eclipse I got the warning about "method/value accessed via a synthetic method". The solution was simply changing a private access modifier to a default level.
That left me wondering: what's the penalty on…
Pere Villega
- 16,429
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8
votes
1 answer
Are enum instances "enclosed" in the enum type in java?
Reproducer :
enum IDs {
ID {
@Override
void getId() {
w(); // warning here
}
};
void getId() {}
private static void w() {}
}
Warning emitted :
Access to enclosing method w() from the type IDs…
Mr_and_Mrs_D
- 32,208
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5
votes
2 answers
How can I avoid synthetic access compiler warning with inline-anonymous class declaration and what does it mean?
I have the following code:
public class SomeClass {
//InterfaceUpdateListener is an interface
private InterfaceUpdateListener listener = new InterfaceUpdateListener(){
public void onUpdate() {
SomeClass.this.someMethod(); …
Chris Knight
- 24,333
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2
votes
2 answers
Java Records Reflection and Synthetic Methods
Based on the older Java (7) Language Specifications (13.1.7):
Any constructs introduced by a Java compiler that do not have a corresponding construct in the source code must be marked as synthetic, except for default constructors, the class…
Ordiel
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2
votes
3 answers
Java synthetic method and bridge method confusion
As stated in this Java Tutorial a bridge method implies that it is also a synthetic method. The question is, is it possible that invocation of isSynthetic method returns true but isBridge method returns false for a Method object, i.e., if a method…
Görkem Mülayim
- 1,139
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2
votes
1 answer
Do synthetic methods generated for private fields really incur performance penalty?
In Eclipse, there is a optional warning when a private field is accessed from an inner class, saying that a synthetic accessor method will be generated and that performance may be improved by making the field package-private.
Does this synthetic…
Fixpoint
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2
votes
1 answer
SonarQube is unable to analyze file: bridge method not marked as synthetic
I've got this exception when analyzing a project with SonarQube (the project utilizes JavaFX, Spring, AOP with compile-time weaving).
I'm using the maven plugin to run the analysis sonar:sonar but I get the same errors with a Jenkins plugin.
I'm…
Mircea D.
- 331
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2
votes
2 answers
How Member Class(Inner class) is accessing instance variable of outer class?
I have written below code that is working fine but i have one doubt about synthetic method. As these are generated to access private data. but i am having public instance variable of outer class that is used in member class, so for accessing…
Prashant
- 2,556
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2
votes
3 answers
What are the interets of synthetic methods?
Problem
One friend suggested an interesting problem. Given the following code:
public class OuterClass {
private String message = "Hello World";
private class InnerClass {
private String getMessage() {
return message;
…
Romain Linsolas
- 79,475
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1
vote
1 answer
Is Java module system broken for synthetic fields?
I'm testing some bytecode generation libraries with java module system.
I've compiled java 11 with the following changes to the java.base module-info.java:
module java.base {
...
exports java.lang.reflect to ;
…
Liberator
- 75
- 7
1
vote
1 answer
IntelliJ decompile class with all synthetic methods
I am using IntelliJ with built in decompiler.
I would like to decompile a .class file and see all methods which are created by java compiler (for instance synthetic bridge methods bridge methods). Is there possibility to do that in IntelliJ?
fascynacja
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