For IDEA users (Github)

1. Create a git clone of the H₂O repository.

git clone https://github.com/0xdata/h2o.git

2. Open IDEA.
3. Click Import Project.

4. Choose the H₂O directory and click OK.

5. Choose Import project from external model. Choose Eclipse. Click Next.

6. ENABLE LINK CREATED INTELLIJ IDEA MODULES TO ECLIPSE PROJECT FILES (this is not selected by default). Click Next.

7. H₂O should be selected by default. Keep it selected and click Next.

8. Keep the 1.6 selected by default and click Finish. SDK 1.7 is also fine if that is the default on your system.

9. (Import from Eclipse) If prompted for Python configuration stuff, just click Cancel.

10. If prompted to Add Files to Git, just click Cancel.

11. Select a sample Java Application and right click on it. Choose Run.

12. See the output of a successful run.