A basic feature of number theory, prime numbers are also a fundamental building block of computer science, from hashtables to cryptography.

In this Mojo tutorial, my plan is to help you build your first Mojo program. I’m not talking about building a simple Hello World program in Mojo, although that is on the docket. My goal is to show you ...

A simple program is always the best place to start when you learn a new concept. This first Java recursion example simply prints out the digits from one to the selected number in reverse order.

A team of computer scientists has developed a videogame called CodeSpells that teaches people how to code in Java. The game was tested on a group of 10- to 12-year-old girls who had never done any ...

If you think about small numbers, this is simple. Start with 4—it's the sum of 2 and 2, and 2 is a prime number. To make 6, you add 3 and 3. To make 8, you can add 3 to 5. And so on.