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Hi gulHK,

You dont need to import java class for using, because that the class that be used in your program ( e.g Main.java ) is located the same package (folder) with Main.java. If it's belong to...

Hi gulHK,
You are welcome.

Why you have to need to import class files?
If you already having java files of those classes, just copy them to your program and use.

Hi gulHK,

If you having java source code files, just copy them into your package.
e.g : in package 'pack' already contains java source code like this : LibraryA.java, then just copy this file...

Firstly, you have to include jar file that containing your pakage in your project. In Eclipse is setting build path.
Then is using import statement to import the needed class.
By the way, I...