AP CSA
Recursion Call Stack Memory
DESCRIPTION
Step through factorial and Fibonacci recursive calls frame-by-frame. Watch the LIFO Call Stack grow and trace return values bubbling up from the Base Case.
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Binary Search Tree
Construct dynamic 2D Binary Search Trees element by element. Run animated depth-first traversals (In-order, Pre-order, Post-order) stepping through the recursive call stack.
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Array vs ArrayList Memory Resizing
Witness the internal array backing an ArrayList dynamically resize. Compare fixed memory bounds against O(N) copy operations when capacity is exceeded.
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2D Array Traversal
Deconstruct nested loops covering Row-Major, Column-Major, and boundary tracing across a 2D integer matrix.
AP CSA