Can we convert class file to java file?

Disassemble a class file using javap command So there are many decompilers available which convert a . class file into a . java file.

How do I convert .class to .Java in eclipse?

use Java Decompiler http://jd.benow.ca/ in it you can open jar, or . class and it will converted to java source.

How do I create a .JAR file?

To create a new JAR file in the workbench:

  1. Either from the context menu or from the menu bar’s File menu, select Export.
  2. Expand the Java node and select JAR file.
  3. In the JAR File Specification page, select the resources that you want to export in the Select the resources to export field.

How do I create a JAR file with multiple classes?

You can also do it using Command Line. Transfer all the classes into a folder. Say it is in the folder with absolute path C:\Java\Project1. Here c will create jar, f will transfer the content into the file provided i.e. Project1….

  1. no.
  2. Just extract the files from the jars (e.g. jar xf jar-file ) then repackage them.
  3. ok.

How do I turn a folder into a jar?

for windows just make the folder as winrar file.,

  1. to do this right click the folder and click “7 -zip” then.
  2. choose “add to foldername. zip”.
  3. now a rar file is created with the same folder name.
  4. Then open the cmd in current folder directory.
  5. type “mv foldername.zip foldername.jar”

Can we open a .class file?

The language it produces is still bytecode (not anything like Java), but it’s fairly readable and extremely instructive. Also, if you really want to, you can open up any . class file in a hex editor and read the bytecode directly. The result is identical to using javap .

How do I open a .class file in CMD?

Run Java . Class Files From Command Line

  1. To execute the . java class files, open the Windows command prompt or the macOS terminal.
  2. Go to the Demo.java file directory or any directory where you want to run a Java file.
  3. Run javac , in our case javac Demo.
  4. The next step is to run the class; enter java Demo.