Materials

Code ↑

• binary-gcd (2026-09-10)

Coding ↑

• Streaming arrays and strings (2026-10-02)
• Runnables (2026-09-21)
• Run-length encoding (2026-09-16)
• XOR encryption (2026-08-31)
• Lists 1 (2026-08-26)
• Lists 2 (2026-08-26)
• Coffee machine (2026-08-24)
• IB Eng speedrun 1 (2026-08-24)
• Grid spiral (2026-08-20)
• Make a GUI (2026-08-20)
• Sieve (2026-08-20)
• Array Loop idioms (2026-08-19)
• Loop idioms (2026-08-18)
• Primes (2026-08-18)
• Geometry (2026-08-14)

Instructions ↑

• Pizza builder (2026-09-30)
• Pizza parlor (2026-09-28)

Questions ↑

• Java building blocks (2026-10-01)
• Down to the bits quiz (2026-09-18)
• Int v double (2026-08-14)

Readings ↑

• Boolean algebra (2026-08-17)
• Boolean expressions of two variables (2026-08-17)

Slides ↑

• Streams (2026-10-02)
• Committing in a Codespace (2026-09-29)
• Codespaces (2026-09-28)
• Connecting objects (2026-09-28)
• Maps and Sets (2026-09-25)
• Collections (2026-09-24)
• Interfaces (2026-09-21)
• Compression (2026-09-17)
• Data formats (2026-09-16)
• Text as data (2026-09-14)
• Xor toolkit (2026-09-01)
• Bit twiddling (2026-08-31)
• Lists (2026-08-26)
• Classes (2026-08-24)
• Period 3 AMA (2026-08-21)
• Arrays (2026-08-19)
• For loop patterns (2026-08-18)
• Arithmetic (2026-08-14)
• Functions to methods (2026-08-14)
• Welcome! (2026-08-13)

Speed-quiz ↑

• Binary to hex (2026-09-15)
• From hex digits (2026-09-15)
• Hex to binary (2026-09-15)
• Multiples of sixteen (2026-09-15)
• Multiples of sixteen (typed) (2026-09-15)
• To hex digits (2026-09-15)
• From powers of two (mcq) (2026-09-14)
• To powers of two (mcq) (2026-09-14)

Videos ↑

• Grid spiral, part 1 (2026-08-28)
• Grid spiral, part 2 (2026-08-28)