How do I run a single Java file having main() in Eclipse, without creating an entire Java project?

Question

Here\'s what I\'ve got:

1. I have a TestFile.java with the same class name.
2. This class has a valid main() method.
3. The file

Answer 1

You can't compile & run just one file in Eclipse without the file being in a java project.

It is a very quick and easy process to create a Java Project in eclipse.

File -> New -> Java Project

You can use the default package (though it is not recommended) and put your single file in it and run it.