BaekJoonProblem No.12865 in Java

BaekJoonProblem No.1932 in Java

BaekJoonProblem No.1003 in Java

BaekJoonProblem No.4779 in Java

BaekJoonProblem No.10870 in Java

BaekJoonProblem No.24511 in Java

BaekJoonProblem No.2346 in Java

BaekJoon problem No.18258 in Java

BaekJoon problem No.18258 in Java

BaekJoon problem No.10733 in Java

BaekJoon problem No.10733 in Java

BaekJoon problem No.9012 in Java

BaekJoon problem No.4949 in Java

BaekJoon problem No.12789 in Java

BaekJoon problem No.17103 in Java

What is Lambda and how to use it in Java

What is Collection and how to use it in Java

What is Stream and how to use it in Java

How to use thread class in java

What is Multi Thread in Java

What is the difference between Interface and Abstract class in Java

What is Access Modifier in Java

What is Singleton in Java

What is the difference between overloading and overriding in Java

How to use array in Kotlin

What is StringTokenizer and how to use it in Java

What is StringBuilder and how to use it in Java

What is Abstraction in Java

What is Polymorphism in Java

What is Encapuslation in Java

What is Inheritance in Java

What is Object in Java

What is Object Oriented Programming in Java

What is Class in Java

Array manipulation in Java

String manipulation in Java

What is Garbage Collector in Java

What is memory in Java?

What is reference type and how to use it in Java

How to use I/O in Kotlin

How to use conditional in Kotlin

How to add a project into an existing repo in Git

Convetion in Kotlin

How to use loop in Kotlin

How to use Queue in Java

How to use loop in Java

How to use conditional in Java

How to create a next.js project

Summary of Next.js in TS

Basic of Operator in Java

How to get input by keyboard

What is primitive type and how to use it in Java

Install Eclipse to begin

What is Java?

Install Java to begin

Basic way to use JS

About CSS convention

Basic information about git branch

Git commit convention

Basic way to use Git

Basic way to use css