Wow... this is really so good...;;;; I need to save up money and buy everything in the roadmap.. I'm curious if you're planning to do any Spring lectures too.. I'll buy it right away..

asd21123

This course carefully selects only the essential Java core concepts you must know for practical work and interviews,
covering everything from object-oriented programming to collections, multithreading, and modern Java all in one comprehensive package.
Going beyond basic syntax, it explains advanced concepts that make the difference in interviews
through diagrams and examples in an easy-to-understand way, organized with slides for quick review at a glance.
If you want to systematically organize Java core concepts, start right now.

yiyj10305235

[CS Technical Interview 6] Java and Object-Oriented Programming That Makes Sense

하루 3시간! 하룻밤 만에 성장할 수 있는 강의만 모았어요!

3시간 만에 완강할 수 있는 강의 ⏰

자바

java

객체지향

비전공자

입문

초급

중급이상

Java

객체지향 프로그래밍(Object-Oriented Programming, OOP)

Tech Interview

2026 카카오 공채 - 개발

kakao-tech

2026 카카오 공채 - 채용

kakao-recruitment

INTRO: Course Introduction and Table of Contents Overview

Object-Oriented Design Principles and Patterns

Java Core Structure and Memory Mechanism

Java and Advanced Object-Oriented Programming (OOP)

Complete Mastery of Collection Framework

Multithreading and Concurrent Programming

Exception Handling and Advanced Java Techniques

Modern Java: Java 8+ Features and Applications

Appendix [Interview Practice]