Grade 8 · Java

Every program is built from the same few blocks.

Go through the 13 programs from class one at a time. In each one, look for the new blocks and the ones you have seen before. When you're ready, try the quiz.

Start learning Take the quiz

Part 1

The programs, explained

Choose a program. Tap any building block to light up where it is in the code.

Code colours: class Java keywords Scanner class names println methods "text" text (Strings) 10 numbers // note comments

Building-block map See which blocks repeat in every program

★ first time we use it ● used again

Part 2

Java quiz

Pick a level and how many questions you want. You'll see an explanation after every answer.