Joo's Blog

Java Execution Process + Spring dependencies(Implementation , runtimeOnly , compileOnly , annotationProcessor ) : Where Are These Dependencies Used?

May 2, 20243 min read

#Foreword I didn't intend to study Java Execution Process Flows initially. However, when i needed to add dependencies in Spring Boot, I found myself...

Java Execution Process + Spring dependencies(Implementation , runtimeOnly , compileOnly , annotationProcessor ) : Where Are These Dependencies Used?

Matrix Multiplication -> [2x4][3x1] = [2x1]

May 2, 20242 min read

#What is the size of Array after operating Matrix Multiplication ? #Forword I don't know why i feel this, when i need to use Array in Java, I am...

Matrix Multiplication -> [2x4][3x1] = [2x1]

Initial Project Set-Up With Spring Boot and H2 DB + Trouble shooting While Accessing H2 DB + command in Command Prompt

Apr 28, 20246 min read

#Table of Contents Foreword H2 Database Installation Spring Initializr Initial set-up Another setting and Check point for new project (Spring...

Initial Project Set-Up With Spring Boot and H2 DB + Trouble shooting While Accessing H2 DB + command in Command Prompt

Practice : Composing Web Pages, Designing APIs, and Separating Domains With Reference to Previous Project : FE & BE different perspective

Apr 26, 20247 min read

#Foreword Before I begin, I want to ensure that I am not a professional programmer, This document will be my logging and practice to remind myself of...

Practice : Composing Web Pages, Designing APIs, and Separating Domains With Reference to Previous Project : FE & BE different perspective

#Role of Annotations _ I've never considered 'Why' when using @Controller, @Service, @Repository ….

Apr 22, 20243 min read

#While Enrolling Spring Bean, How Does Annotation Work #Foreword I've been using this annotation on each class, but I've never considered "Why". So, I...

#Role of Annotations _ I've never considered 'Why' when using @Controller, @Service, @Repository ….

if(answer[i] == pattern[j][i %pattern[j].length]){ } : a single line of code that got me bursted

Apr 20, 20246 min read

#Foreword My goal is very simple, I want to understand this Code, Although I am endeavoring to understand and analyze this line of code, I never...

if(answer[i] == pattern[j][i %pattern[j].length]){ } : a single line of code that got me bursted