Este repositório é referente as soluções dos desafios propóstos pelo site HackerRank

• 30 Days of Code
• Java
• SQL

30 Days of Code

Day	Challenge	Points	Solution
0	Hello, World	30	Solution.java
1	Data Types	30	Solution.java
2	Operators	30	Solution.java
3	Intro to Conditional Statements	30	Solution.java
4	Class vs. Instance	30	Solution.java
5	Loops	30	Solution.java
6	Let's Review	30	Solution.java
7	Arrays	30	Solution.java
8	Dictionaries and Maps	30	Solution.java
9	Recursion	30	Solution.java
10	Binary Numbers	30	Solution.java
11	2D Arrays	30	Solution.java
12	Inheritance	30	Solution.java
13	Abstract Classes	30	Solution.java
14	Scope	30	Solution.java
15	Linked List	30	Solution.java
16	Exceptions - String to Integer	30	Solution.java
17	More Exceptions	30	Solution.java
18	Queues and Stacks	30	Solution.java
19	Interfaces	30	Solution.java
20	Sorting	30	Solution.java
21	Generics	30	Solution.java
22	Binary Search Trees	30	Solution.java
23	BST Level-Order Traversal	30	Solution.java
24	More Linked Lists	30	Solution.java
25	Running Time and Complexity	30	Solution.java
26	Nested Logic	30	Solution.java
27	Testing	30	Solution.java
28	RegEx, Patterns, and Intro to Databases	30	Solution.java
29	Bitwise AND	30	Solution.java

Java

Subdomain	Challenge	Points	Solution
Introduction	Welcome to Java!	3	Solution.java
Introduction	Java Stdin and Stdout I	5	Solution.java
Introduction	Java If-Else	10	Solution.java
Introduction	Java Stdin and Stdout II	10	Solution.java
Introduction	Java Output Formatting	10	Solution.java
Introduction	Java Loops I	10	Solution.java
Introduction	Java Loops II	10	Solution.java
Introduction	Java Datatypes	10	Solution.java
Introduction	Java End-of-file	10	Solution.java
Introduction	Java Static Initializer Block	10	Solution.java
Introduction	Java Int to String	10	Solution.java
Introduction	Java Date and Time	15	Solution.java
Introduction	Java Currency Formatter	15	Solution.java
Strings	Java Strings Introduction	5	Solution.java
Strings	Java Substring	5	Solution.java
Strings	Java String Compare	10	Solution.java
Strings	Java String Reverse	10	Solution.java
Strings	Java Anagrams	10	Solution.java

SQL

Subdomain	Challenge	Points	Solution
Basic Select	Revising the Select Query I	10	MySQL Solution
Basic Select	Revising the Select Query II	10	MySQL Solution
Basic Select	Select All	10	MySQL Solution
Basic Select	Select By ID	10	MySQL Solution
Basic Select	Japanese Cities' Attributes	10	MySQL Solution
Basic Select	Japanese Cities' Names	10	MySQL Solution
Basic Select	Weather Observation Station 1	15	MySQL Solution
Basic Select	Weather Observation Station 3	10	MySQL Solution
Basic Select	Weather Observation Station 4	10	MySQL Solution
Basic Select	Weather Observation Station 5	30	MySQL Solution
Basic Select	Weather Observation Station 6	10	MySQL Solution
Basic Select	Weather Observation Station 7	10	MySQL Solution
Basic Select	Weather Observation Station 8	15	MySQL Solution
Basic Select	Weather Observation Station 9	10	MySQL Solution
Basic Select	Weather Observation Station 10	10	MySQL Solution
Basic Select	Weather Observation Station 11	15	MySQL Solution
Basic Select	Weather Observation Station 12	15	MySQL Solution