Java Learning Note Note--6, keywords

1, the concept of keywords

Keywords: In fact, a language has given special meaning to the word.

Reserved words: In fact, there is no special meaning, but prepare the words to be used later.

2.theJava language has A keyword, you cannot use the reserved keyword to name a class, method, or variable

, data type

int     short     float     char      interface

2. Process Control

IfElse Do while forSwitch Casedefault BreakContinuereturnTryCatchfinally

3. Modifier

PublicprotectedPrivateFinalvoidStaticSTRICTFPAbstracttransientsynchronizedvolatilenative

, action

import     throws     implements     this     new

Java Learning Note Note--6, keywords