Graphical representations of all the standard data structures and algorithms that you need, plus a few more besides…

http://www.cosc.canterbury.ac.nz/mukundan/dsal/appldsal.html

Focus on learning these in pseudocode, not Java.

SL

• Stack and Queue (static ie array-based)
• Linear and binary search of array
• Bubble sort
• Selection sort

HL

• The SL stuff
• Dynamic implementations of stack, queue
• Linked list (obviously)
• Binary tree

Also worth looking at recursion stuff and some of the harder sorting algorithms