자바 설치

1. JDK 자바개발도구 1.8ver  

Java JDK 1.8 Download
https://www.oracle.com/kr/java/technologies/javase/javase8-archive-downloads.html
Java SE Development Kit 8u202
jdk-8u202-windows-x64.exe


버전확인 참고 : https://kongpowder.tistory.com/60
업데이트 하지 않기 xx

2. 이클립스(인텔리J)

이클립스다운로드
https://www.eclipse.org/downloads/packages/release/2021-03/r
download package
Eclipse IDE for Enterprise Java and Web Developers
Eclipse 2021-03 (4.19) -안정성 확인 ver

*오라클 계정 가입 해놓을것