Categories Computer Science 5 categories , 7 posts Algorithm 2 posts Data Structure 1 post Design Pattern 1 post Network 2 posts Operating System 1 post Language&Framework 2 categories , 7 posts Java 5 posts Spring 2 posts My Dev Story 1 category , 1 post Toy Project 1 post Problem Solving 1 category , 2 posts Leetcode 2 posts Tools 4 categories , 8 posts Git&GitHub 1 post Intellij 1 post Jekyll Blog 5 posts Visual Studio Code 1 post