This question already has answers here:
Java: How can I compile an entire directory structure of code ?
(10 answers)
Closed 8 years ago.
How do I convert multiple folders containing .java files to .class files having the same hierarchy? I mean just convert the .java files to .class in one go
javac /yourdir/*.java /yourdir2/*.java
just add the directories from which you want to compile.
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This question already has answers here:
What is the function of the "out" and ".idea" folder in Intellij?
(3 answers)
Closed 2 years ago.
Why is the out folder and all its content highlighted? Does it mean I did something wrong?
This is the project compiler output directory. The red color means that it is excluded directory in project. Files in excluded folders are ignored by code completion, navigation and inspection.
This folder is created when you're compiling your project and contains compiled classes.
This question already has answers here:
Where does IntelliJ put .class files when it compiles during typing
(5 answers)
Closed 2 years ago.
Does the IntelliJ IDEA provide access to compiled “.class” files or decompiled “.class” files? I’m enrolled in a course that requests for students to submit compiled “.class” files.
IntelliJ does not produce any .class until you make your project
Image showing how to make your project
After making your project the class files will be in Target folder:
Image showing the class folder
This question already has answers here:
How do I "decompile" Java class files? [closed]
(19 answers)
Closed 5 years ago.
If I have a .class file, how do I open it/view the source code? I think I have to decompile it first, but how the heck do I do that?
Just drag the .class file into your ide and it should show you the contents of that file, or you can use this http://www.javadecompilers.com/ to decompile the .class file.:)
This question already has answers here:
Use of the MANIFEST.MF file in Java
(2 answers)
Closed 6 years ago.
I have a basic question about the manifest file: when is this file created?
Is it created in the .class file when we compile a java file? Or should we create the manifest file from the command line after the .class file is created?
Update: you can find the answer here: Use of the MANIFEST.MF file in Java
The manifest file has nothing to do with the compilation/running process of a class.
If you configured your project correctly in your IDE (depending on the IDE), it will be generated during the build project process.
If you are working using the command prompt and notepad, you can always create it manually.
This question already has answers here:
Why is a .class file not human readable? [closed]
(5 answers)
Closed 7 years ago.
I open this file with ANSIC code,so how can I solve this problem?
That is not Java source code.
.class files are compiled Java binary class files.
.java files have the source code.
If you are looking for the source code of the Java compiler (javac), you can get that from OpenJDK. But it's a big and complex project.