# 참고자료 ## singleton의 사용 https://stackoverflow.com/questions/24351046/java-singleton-usage ## static vs static final https://medium.com/@chuck.m.park/final-vs-static-final-in-java-cf73e6cc6848 ## wrapper 클래스 https://hyeonstorage.tistory.com/168
참고자료
singleton의 사용
https://stackoverflow.com/questions/24351046/java-singleton-usage
static vs static final
https://medium.com/@chuck.m.park/final-vs-static-final-in-java-cf73e6cc6848
wrapper 클래스
https://hyeonstorage.tistory.com/168