How do I decompile in IntelliJ?

How do I decompile in IntelliJ?

UPDATE

1. Locate the file in ${IntelliJ_INSTALL_DIR}\plugins\java-decompiler\lib\java-decompiler. jar (example: C:\Program Files\JetBrains\IntelliJ IDEA 2018\plugins\java-decompiler\lib).
2. Copy it somewhere and rename to fernflower. jar (optional).
3. This JAR is not executable, so we can’t run it using java -jar .

Does IntelliJ have a decompiler?

The decompiler works in both IntelliJ IDEA Ultimate and IntelliJ IDEA Community Edition. It is powered by the Java Bytecode Decompiler plugin, which is bundled and enabled by default. This tool has been a part of IntelliJ IDEA for ages.

How do I edit decompile class in IntelliJ?

1 Answer

1. it uses an editor tab instead of a popup.
2. it allows you to edit bytecode assembler and assemble edited code back into . class files.
3. it provides default hotkey for bytecode analysis: Ctrl+K, Ctrl+B.

How do I decompile a Java class file?

In order to decompile class file, just open any of your Java projects and go to Maven dependencies of libraries to see the jar files included in your project. Just expand any jar file for which you don’t have the source attached in Eclipse and click on the . class file.

How do I extract an executable jar file?

Type in jar xf followed by a space followed by the name of the JAR file. This is the command to extract a JAR file. For example, to extract a JAR file called “minecraft”, you would type in jar xf minecraft. jar .

How can I see the code of a jar file?

Jar files are archive files that contains of a lot of different java classes (files). You can use winzip/winrar to open the jar files and you can see those java classes in jar files. Typically you can use a Java decompiler to decompile the class file and look into the source code.

Is the bytecode decompiler in IntelliJ IDEA Community Edition?

The decompiler works in both IntelliJ IDEA Ultimate and IntelliJ IDEA Community Edition. It is powered by the Java Bytecode Decompiler plugin, which is bundled and enabled by default. This tool has been a part of IntelliJ IDEA for ages. So if you already have the IDE, give it a try and let us know what you think in the comment section.

Is there a Java decompiler.jar in IntelliJ?

As of August 2017 and IntelliJ V2017.2, the accepted answer does not seem to be entirely accurate anymore: there is no fernflower.jar to use. The jar file is called java-decompiler.jar and does not include a main manifest…

Is there a Java Decompiler plugin for JetBrains?

Decompile any ‘class’ file in jars or not inside IntelliJ IDEA. Supports bytecode from Java 1 to Java 12. This plugin is currently maintained as best effort, Jetbrains IntelliJ IDEA has been shipping since a few years his own java decompiler.

Can a.class file be opened in IntelliJ IDEA?

If you open a .class file in a text editor, you’ll only see the bytecode that sometimes makes little sense. However, if you open the same file in IntelliJ IDEA, the IDE shows you the human-readable Java code from your .jar, without actually converting .class files into .java files.