1.한글깨짐 제거window -> Preferences -> general -> workspace기본 encoding 문자 : UTF-8 -> Apply 2.한글 작게 나오는 문제 해결window -> Preferences -> general -> Apperance -> Colors and Fonts-> Basic -> Textfont : 크키 9 3.라인보이게window -> Preferences -> general -> Editor -> Text Editors -> Show line numbers를 체크 후 OK 버튼