Is there any technique to find my error when I programmed?

Answer 1

Yes, some IDE's help to find the error easily. But if you are a good programmer you can understand the error, and can fix it easily.

Answer 2

Here you can find some good IDEs.
https://blog.idrsolutions.com/2015/03/the-top-11-free-ide-for-java-coding-development-programming/