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CodingBat code practice

Java
Java practice problems.

Warmup-1
Simple warmup problems to get started (solutions available)
sleepIn H   monkeyTrouble H   sumDouble H     more
Warmup-2
Medium warmup string/array loops (solutions available)
stringTimes H   frontTimes H   countXX H     more
String-1
Basic string problems -- no loops
helloName H   makeAbba H   makeTags    more
Array-1
Basic array problems -- no loops.
firstLast6 H   sameFirstLast H   makePi    more
Logic-1
Basic boolean logic puzzles -- if else && || !
cigarParty H   dateFashion H   squirrelPlay    more
Logic-2
Medium boolean logic puzzles -- if else && || !
makeBricks  loneSum  luckySum    more
String-2
Medium String problems -- 1 loop
doubleChar H   countHi H   catDog    more
String-3
Harder String problems -- 2 loops
countYZ  withoutString  equalIsNot    more
Array-2
Medium array problems -- 1 loop
countEvens  bigDiff  centeredAverage    more
Array-3
Harder array problems -- 2 loops, more complex logic
maxSpan  fix34  fix45    more
AP-1
AP CS medium problems
scoresIncreasing  scores100  scoresClump    more
Recursion-1
Basic recursion problems
factorial H   bunnyEars H   fibonacci    more
Recursion-2
Harder recursion problems
groupSum H   groupSum6  groupNoAdj    more

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