Writing on software engineering and my programming notes.

All of my long-form thoughts on Java, Software design and development.

HashMap in java

How to use hashmap and its internals

Immutable objects in java

Immutable object in java is the one whose state once constructed cannot be modified

SOLID design principles

SOLID is a mnemonic acronym for five design principles intended to make object-oriented designs more understandable, flexible, and maintainable (wiki).