Warmup-1 Simple warmup problems to get started (solutions available)	Warmup-2 Medium warmup string/array loops (solutions available)
String-1 Basic string problems -- no loops	Array-1 Basic array problems -- no loops.
Logic-1 Basic boolean logic puzzles -- if else && || !	Logic-2 Medium boolean logic puzzles -- if else && || !
String-2 Medium String problems -- 1 loop	String-3 Harder String problems -- 2 loops
Array-2 Medium array problems -- 1 loop	Array-3 Harder array problems -- 2 loops, more complex logic
AP-1 AP CS medium problems	Recursion-1 Basic recursion problems
Recursion-2 Harder recursion problems

New...

Map-1 Basic Map get()/put(), no loops

Map-2 Maps with bulk data and loops

Functional-1 Functional mapping operations on lists with lambdas

Functional-2 Functional filtering and mapping operations on lists with lambdas

Java Help

• Java Example Solution Code
• Java String Introduction (video)
• Java Substring v2 (video)
• Java String Equals and Loops
• Java String indexOf and Parsing
• Java If and Boolean Logic
•   If Boolean Logic Example Solution Code 1 (video)
•   If Boolean Logic Example Solution Code 2 (video)
• Java For and While Loops
• Java Arrays and Loops
• Java Map Introduction
• Java Map WordCount
• Java Functional Mapping
• Java Functional Filtering

Misc Code Practice

• Code Badges
• Introduction to Mod (video)
• MakeBricks problem and solution (video x 2)
• FizzBuzz the famous code interview question (video)