Question

I have started learning Java and I have 1 issue:

I write a simple class and it runs and everything’s fine.
I took all the project from my Laptop to my other computer and from Eclipse I choose “File –> Open File” and choose my .java file.

When I try to run my program this windows pop up:

and after trying both option nothing happen.

How can I run my program and what is the problem ?

Answer 1

Perform the following steps:

1. Create a new project in eclipse
2. Link your classes from the project properties’ buildpath
3. Go to Run->Run Configurations
4. Create a new configration
5. Point your main class
6. And Run