If you want to stay in the game, you need to learn a lot. It is true that you need to study a lot and have to understand lots of subjects. But every student has some potential towards a particular subject. If you have a knack for programming, you need to learn the coding tools available online. Become a good coder with the help of the software. Try your hands on java assignments as lots of assignments are available out there. If you continue manual work, it will take a lot of time and of course the chance of error will be there. But if you use the tools, your job will be much easier. You can finish the job easily and accurately.