Contests where Java code is allowed

C# Conditional Statements and Loops - Exercises
C# Basics - More Exercises
Arrays and Methods - More Exercises
Dictionaries and Lists - More Exercises
Objects, Classes, Files and Exceptions - More Exercises
Strings and Regular Expressions - More Exercises
Linear Data Structures - Lists - Java Exercise
Linear Data Structures - Stacks and Queues - Java Exercise
02. Първа конзолна програма
03. Четене и печатане на конзолата