Easy Sum of Two Numbers Sum Multiples of Three and Five Factorial Linear Search Reverse String Find Maximum Average Value (Java 8 Lambdas and Streams) Convert to Upper Case (Java 8 Lambdas and Streams) Nth Odd Element Number Of Tree Nodes Count Nodes in List Count Number of Leaf Nodes Binary Tree Depth Find Second Largest Number in Array

Moderate Fizz Buzz Prime Number Fibonacci Number Palindrome Check Even Fibonacci Sum Greatest Common Divisor Package Rice Bags Filter Strings (Java 8 Lambdas and Streams) Comma Separated (Java 8 Lambdas and Streams) Ceasar Cipher Strict Binary Tree Check Two Sum (Pair with a Given Sum)

Challenging Longest Palindrome in Word Longest Common Sequence Largest Prime Factor Package Rice Bags (part 2) Perfect Binary Tree Check Complete Binary Tree Check