Harder String problems -- 2 loops. See the Java String Help document for help with strings.

countYZ	withoutString	equalIsNot
gHappy	countTriple	sumDigits
sameEnds	mirrorEnds	maxBlock
sumNumbers	notReplace

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)