[Study Log] Techeers Hackathon log

Phase 1

• Java version 별 특징

• Java의 장점 및 특징

• Visual VM

• 의존성 관리 도구

• Log4j 이슈

• 꼭 알아야하는 Java libraries

• GC (가비지 컬렉터)

• ORM, query

• Databse 여러개 연결 및 동시성 관리

• Blocking = synchonous, non-blocking = asynchonous

• JDK, JRE

• IntelliJ

• Restful API

• Namespace

• Query Scan

• Prepared Statement

• Serialization Object

• Error message handling

Phase 2

• closable

• SLF4J

• Interface, abstract

• ResponseEntity

• Error handling

• Avro

• Optional

• Pagination

• web server, was

• Try-with-resourses Statement

• profiling tuning

• Increase open files limit for a non root user

• Java collections

• java - heap memory 관리

• lambda in java

• Java Annotations

• Access modifier

• Rest.li

• GC g1, gc tuning

• jetty

• netty

• Java Performance Tuning Tips