How to Edit and Compile Java Jar Files

In this video I show a basic and simple process to edit and make changes to a JAR file. I use the following Java Decompiler to de-compile the class files in the jar file.
Java Decompiler (JD-GUI): java-decompiler...
What is a JAR File?
A JAR is a package file format typically used to aggregate many Java class files and associated metadata and resources into one file for distribution. JAR files are archive files that include a Java-specific manifest file. They are built on the ZIP format and typically have a .jar file extension.
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