Dear sir,
I am an expert in C, C++ & Java. I have completed my B.Sc.(Engg.) and M.Sc.(Engg.) in Computer Science and Engineering. In engineering I learnt these Structured programming languages and Object oriented programming languages. I am also a competitive programmer. I can easily implement your task into java. So, you can trust me without any hesitation.
I can help you right now. So, let's talk and get started.
Best Regards,
Musfiq Mridha