알고보면 당연한 내용인데 코딩하다가 자주 하는 실수, Java Code Conventions 내용중에 있군요. 써놓고나면 덜 실수하려나... 출처 : http://java.sun.com/docs/codeconv/ Miscellaneous Practices 10.5.1 Parentheses It is generally a good idea to use parentheses liberally in expressions involving mixed operators to avoid operator precedence problems. Even if the operator precedence seems clear to you, it might not be to others-you shouldn't assume ..