[JAVA] Static http://blog.bagesoft.com/720http://arabiannight.tistory.com/entry/%EC%9E%90%EB%B0%94Java-static%EC%9D%98-%EC%82%AC%EC%9A%A9%EB%B2%95%EA%B3%BC-%EA%B0%9C%EB%85%90%EC%98%88http://dwfox.tistory.com/21https://blog.naver.com/fantaxis/120121594514 JAVA 2018.05.08