Code 4 Tomorrow's courses contain tons of great practice problems. We keep practice problem templates and solution code in our various GitHub repositories.

Code 4 Tomorrow

If you're looking for even more practice, check out these resources:‌

• Codecademy (Java, Python, Web Development)
• CodingBat (Java, Python)
• W3Resource (Java)
• W3Resource (Python)
• W3Resource (HTML/CSS)
• MIT (Scratch)