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Solutions to HackerRank Day 0 of 30 Days of Code - JAVA

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# HackerRank

https://www.hackerrank.com/domains/tutorials/30-days-of-code

<h3>Day 0 of 30 Days of Code!</h3>
Day 0: Hello, World. 
Day 1: Data Types 
Day 2: Operators 
Day 3: Intro to Conditional Statements 
Day 4: Class vs. Instance 
Day 5: Loops 
Day 6: Let's Review 
Day 7: Arrays 
Day 8: Dictionaries and Maps 
Day 9: Recursion 
Day 10: Binary Numbers 
Day 11: 2D-Arrays 
Day 12: Inheritance 
Day 13: Abstract Classes 
Day 14: Scope 
Day 15: Linked List 
Day 16: Exceptions - String to Integer 
Day 17: More Exceptions 
Day 18: Queues and Stacks 
Day 19: Interfaces 
Day 20: Sorting 
Day 21: Generics 
Day 22: Binary Search Trees 
Day 23: BST Level-Order Traversal 
Day 24: More Linked Lists 
Day 25: Running Time and Complexity 
Day 26: Nested Logic 
Day 27: Testing 
Day 28: RegEx, Patterns, and Intro to Databases 
Day 29: Bitwise AND

<h3>C ++</h3>
Pointer 
Say "Hello, World!" With C++

<h3>Data Structures</h3>
2D Array - DS 
Array Left Rotation 
Arrays - DS 
Print the Elements of a Linked List

<h3>Java</h3>
A Very Big Sum 
Angry Professor 
Diagonal Difference 
Find Digits 
Pangrams 
Plus Minus 
Simple Array Sum 
Staircase

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