Adding Java docs to the code base

[charankamarapu]

Related Issue

Adding Java docs to the code base
Closes: keploy/keploy#342

Describe the changes you've made

Added Java docs and major comments

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Code style update (formatting, local variables)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How did you test your code changes?

testing is not required

Describe if there is any unusual behaviour of your code(Write NA if there isn't)

A clear and concise description of it.

Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas and used java doc.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

Screenshots (if any)

Original	Updated
original screenshot	updated screenshot

[gouravkrosx]

LGTM