- In classes, methods, and other flow-control structures code is always enclosed in curly braces { }.
- Each code statement must end with a semicolon ;
Comments
- single-line comments start with two forwars slashes //
- multi-line comments start with forwars slash followed by asterisk /* and end vice versa */
/* This is also a
comment spanning
multiple lines */
Documentation comments
- generate external documentation of your source code
- These begin with a forward slash followed by two asterisks, and end with an asterisk followed by a forward slash.
/** This is a documentation comment */
/** This is also adocumentation comment */
Javadoc is a tool which comes with JDK and it is used for generating Java code documentation in HTML format from Java source code which has required documentation in a predefined format.
When a documentation comment begins with more than two asterisks, Javadoc assumes that you want to create a “box” around the comment in the source code. It simply ignores the extra asterisks.
/**********************
This is the start of a method
***********************/