I'm writing a java framework, for a class file, sample.class, it generates a proxy file sample_proxy.class. When sample.testMethod() is called, it excutes sample_proxy.class. I already make an ecli...

I regularly used Eclipse's code generation tools (Source / Generate hashCode() and equals()...) to create the equals() implementation for simple POJO classes. If I choose to "Use instanceof to comp...

I just installed Eclipse standard 4.4 Luna, and after installing the Scala IDE and friends I get JDT Weaving is currently disabled. The Scala IDE needs JDT Weaving to be active, or it will not wor...

What is necessary to get classes provided via custom classpath container visible in the code completion? I have successfully implemented a custom classpath container, that adds libraries to a proj...

I want to use maven to build projects in which there are unresolved compilation problems. The main purpose is package and deploy or run aplications using some kind of stubs for classes that contai...

Is it possible to quick fix all errors in a class opened in Eclipse? I have 71 errors that are pretty much the same, I would rather not do it one-by-one. (Note: I am quick fixing a Java file)

I'm writing a PMD plug-in for Eclipse which lets users suppress PMD warnings by adding annotations like @SuppressWarnings("PMD.ReturnEmptyArrayRatherThanNull"). Since Eclipse doesn't know that PMD....

I'm trying to use AST parser in a non-plugin environment. The code compiles, but I get the following runtime error: Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/core/reso...

The development of Eclipse support for Java 8 is ongoing in a branch (http://wiki.eclipse.org/JDT_Core/Java8). To try out the current Eclipse support for Java 8, I did the following: I installed...

I am working on a fairly big Maven project, and develop in Java with Eclipse. To save compilation time, I would like Maven and Eclipse to share the same target, which I managed to do. However when...

I want to add a shortcut to my eclipse plugin to show a quick menu with existing bindings. It should work like the "Refactor" quick menu in JDT. Shortcut for quick menu in JDT: JDT quick menu: ...

In Eclipse, if I try to apply a "Generate Delegate Methods" refactoring to a Java class like the following: class Foo implements Bar { Bar bar; } Eclipse doesn't generate @Override annotations ...

Each time I click Save the entire file's formatting alternates between these two formats: this.getObject() .method() .method(); this.method(arg1, arg2, arg3, arg4); and this.getObject() .met...

I'm trying to try out eclipse jdt/ast following this article. This is the java code as an input: class Hello { int hello() { int a = 0, b = 3; /* hello */ { b = a * 3; } return a; } pub...

In my Eclipse plugin, I need to know when the editor that is visible on the screen has changed. I am currently getting the active editor as follows: PlatformUI.getWorkbench().getActiveWorkbenchWin...

I am writing an eclipse plugin which exposes a view to the user with several buttons. On the click of any button, I would like to paste a certain comment into the editor window where the user is cu...

Eclipse (any version AFAIK) has some weird behavior related to folding in Java code. Suppose I’m editing this class: class A { String field; @Nonnull Object method(){ // whatever } } If fo...

There's a lot of discussion about Ant and Eclipse, but no previously answered seems to help me. Here's the deal: I am trying to build a Java program that compiles successfully with Ant from the co...

Here is my sample java code: public class Test { public static void foo() { Foo.InnerKey key = new Foo.InnerKey(); getInstance().query(key); } public static void bar() { Bar.InnerKey key = ...

With the release of Eclipse's java 8 support, I understood that null annotations on types (JSR 308) were possible, as described here. I have installed JDK8, and the Java 8 feature patch for Eclipse...

Some time ago I wrote an Eclipse plugin which makes use of JDT to do some parsing. Now I am thinking of making a command-line version of this app. Naturally, I hope to reuse the parsing code, so I ...

Background Sometimes, functions return null on some cases, and yet whoever uses them wasn't aware of it, so NPE is inevitable . For example (and it's just an example, to show what I'm talking abo...

Environment I have a simple test-foo.jar library with just two files: interface Foo with a single method void doStuff() class Bar with a single method void executeFoo(Foo foo), which just calls ...

Does someone know a plugin for Eclipse that replaces fully qualified Java class names with the simple one and the corresponding import where possible? It would be even better if it could be perform...

This is not a duplicate of How to come out of while loop during debugging. See the comment on this answer https://stackoverflow.com/a/8107702/1391924 by the author of this question. While debuggin...