예약어 (Reserved Keywords)
- 변수명으로 사용불가능
- static, class, char, while ...
- native : a method is implemented in native code, such as C or C++
- transient : a field should not be serialized
- final : a variable, method, or class cannot be changed
- abstract : indicate that a class is incomplete and cannot be instantiated on its own
- strictfp : a method or class should follow strict floating-point semantics
Literal
- 소스코드에 직접 입력된 값
- true, false, null
- "Hello World"(문자열 Literal)
java 정리