Binary search tree check - java.
Binary Search Tree Check - Java
Merge pull request #121 from roitt/binary-search-tree-check

Binary search tree check
Combine two strings solution using a stack.
Even occuring element JAVA.
Merge pull request #123 from roitt/even-occuring-element

Even occurring element JAVA.
Hotel Room solution JAVA.
Merge pull request #124 from roitt/hotel-room

Hotel Room solution JAVA.
Merge pull request #122 from roitt/combine-two-strings

Combine two strings solution using a stack.