From handwritten Java notes to a structured GitHub journal - Built with patience, purpose, and love for java . I believe anything done with heart is meant to be done soulfully !

java map set stack array loops collections linkedlist oops arraylist corejava constructors exceptionhandling wrapperclasses thisandfinal builderdesignpattern staticvariable staticmethods

• Updated May 21, 2026

Practice Exercise For Core Java From The Scratch for beginners to intermediate level .

jdbc static this exceptions oops super encapsulation collections-java wrapperclasses multipleinheritanceuseinginterface javaabstraction javapolymerphism customexceptions finallyinjava javafortesters

• Updated Apr 18, 2025
• Java

Exception[예외처리], API[애플리케이션 프로그래밍 인터페이스]: ObjectClass, StringClass, WrapperClass

api api-wrapper exception-handling objectclass stringclass wrapperclasses

• Updated Dec 14, 2021
• Java