The repo consists of solutions to numerous problems using different data structures and algorithms, where all solutions are coded purely in Java. It also contains solutions to HackerRank problems which I have solved so far.
You can also refer my Java Notes for a quick refresh on the Java concepts.
java version "1.8.0_74"
Java(TM) SE Runtime Environment (build 1.8.0_74-b02)
Java HotSpot(TM) 64-Bit Server VM (build 25.74-b02, mixed mode)
IntelliJ IDEA 16
MacBook Pro (Retina, 15-inch, Mid 2015)
Processor 2.5 GHz Intel Core i7
Memory 16 GB 1600 MHz DDR3
Graphics AMD Radeon R9 M370X 2048 MB