Problems

Select a problem to open the IDE and start coding.

Easy
Get Value at IndexEasy Get Array LengthEasy Sum of Array ElementsEasy
Is Even Premium Easy 🔒
Is Positive Premium Easy 🔒
Max of Two Premium Easy 🔒
Sum To Premium Easy 🔒
Contains Negative Premium Easy 🔒
Find First Premium Easy 🔒
Get String Length Premium Easy 🔒
First N Characters Premium Easy 🔒
To Uppercase Premium Easy 🔒
Rectangle Class Premium Easy 🔒
Counter Class Premium Easy 🔒
Person Class Premium Easy 🔒
ArrayList Sum Premium Easy 🔒
ArrayList Max Premium Easy 🔒
ArrayList Count Even Premium Easy 🔒
Sum of Row Premium Easy 🔒
Count Zeros Premium Easy 🔒
Diagonal Sum Premium Easy 🔒
Extend Animal Premium Easy 🔒
Extend Shape Premium Easy 🔒
Named Animal Premium Easy 🔒
Medium
Count Values Greater Than 10Medium Increment All ElementsMedium Letter GradeMedium
Clamp Premium Medium 🔒
Sum While Positive Premium Medium 🔒
Reverse String Premium Medium 🔒
Count Character Premium Medium 🔒
Is Palindrome Premium Medium 🔒
Temperature Class Premium Medium 🔒
BankAccount Class Premium Medium 🔒
Filter Positives Premium Medium 🔒
Reverse ArrayList Premium Medium 🔒
Row Maximums Premium Medium 🔒
Matrix Transpose Premium Medium 🔒
Manager Salary Premium Medium 🔒
Override toString Premium Medium 🔒
Factorial Premium Medium 🔒
Sum of Digits Premium Medium 🔒
Fibonacci Premium Medium 🔒
Hard
Count Increasing Adjacent Pairs Premium Hard 🔒
Is Leap Year Premium Hard 🔒
Longest Run Premium Hard 🔒
Caesar Cipher Premium Hard 🔒
Stack Class Premium Hard 🔒
Running Total Premium Hard 🔒
Saddle Point Premium Hard 🔒
Electric Vehicle Premium Hard 🔒
Power Premium Hard 🔒
Count Occurrences Premium Hard 🔒
Reverse Array Recursively Premium Hard 🔒