Hackerrank Problems in Java

I'll share the solutions of the Hackerrank problems that I've solved every day.

What did I solve

Apple and Orange
ArraysDS
A Very Big Sum
Between Two Sets
Birthday Cake Candles
Birthday Chocolate
Bon Appetit
Breaking The Records
比较 The Triplets
Counting Valleys
Day Of The Programmer
Diagonal Difference
Divisible Sum Pairs
Drawing Book
Grading Students
Kangaroo
Migratory Birds
Mini Max Sum
Plus Minus
Simple Array Sum
Sock Merchant
Staircase
Time Conversation