How to work on the same code from different computers?

Question

For example, I'm writing a JAVA code in IntelliJ or Eclipse, than I go home and want to continue working on the same code from home computer. So, I'm asking very cool pros who code for years, how do you usually solve this problem?

Answer 1

The best solution is to use GitHub(which is free and easy to use), but you can also save the entire code in a pendrive for instance...

Answer 2

Use GitHub or BitBucket