Y12 Unit 0 - Class Structure
Y12 Unit 1 - Computational Thinking
Y12 Unit 2 - Networks
Y12 Unit 3 - OOP
Y12 Unit 4 - System Fundamentals
Abstract Data Structures (HL) Year 13 Unit

Arrays, ArrayLists, and Strings Extra Practice

If you’d like a further refresher into these two concepts you can visit:

ArrayLists

Arrays

Also, if you would like to refer to useful string methods, you can visit:

Strings