Java Comments, Single Line Comment, Multi Line Comments, Java documentation Comment
In this video we are going to learn Programming Constructs in java with Practical Example.
Single-Line Comment:
//text The compiler ignores everything from // to the end of the line.
Multi-Line Comment:
/* text / The compiler ignores everything from / to */.
Documentation Comment:
/** documentation */ This is a documentation comment and in general its called doc comment. The JDK javadoc tool uses doc comments when preparing automatically generated documentation.
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 requires documentation in a predefined format.
Following is a simple example where the lines inside /*….*/ are Java multi-line comments. Similarly, the line which precedes // is Java single-line comment.
Java Doc Comment Parameters:
@author Adds the author of a class. @author name-text
{@code} Displays text in code font without interpreting the text as HTML markup or nested javadoc tags. {@code text}
{@docRoot} Represents the relative path to the generated document's root directory from any generated page. {@docRoot}
@deprecated Adds a comment indicating that this API should no longer be used. @deprecated deprecatedtext
@exception Adds a Throws subheading to the generated documentation, with the classname and description text. @exception class-name description
{@inheritDoc} Inherits a comment from the nearest inheritable class or implementable interface. Inherits a comment from the immediate surperclass.
{@link} Inserts an in-line link with the visible text label that points to the documentation for the specified package, class, or member name of a referenced class. {@link package.class#member label}
{@linkplain} Identical to {@link}, except the link's label is displayed in plain text than code font. {@linkplain package.class#member label}
@param Adds a parameter with the specified parameter-name followed by the specified description to the "Parameters" section. @param parameter-name description
@return Adds a "Returns" section with the description text. @return description
@see Adds a "See Also" heading with a link or text entry that points to reference. @see reference
@serial Used in the doc comment for a default serializable field. @serial field-description | include | exclude
@serialData Documents the data written by the writeObject( ) or writeExternal( ) methods. @serialData data-description
@serialField Documents an ObjectStreamField component. @serialField field-name field-type field-description
@since Adds a "Since" heading with the specified since-text to the generated documentation. @since release
@throws The @throws and @exception tags are synonyms. @throws class-name description
{@value} When {@value} is used in the doc comment of a static field, it displays the value of that constant. {@value package.class#field}
@version Adds a "Version" subheading with the specified version-text to the generated docs when the -version option is used. @version version-text
00:45 Overview of "Java Comments"
02:15 Practical Example of "Java Single Line Comment"
04:27 Practical Example of "Java Multi Line Comment"
05:40 Practical Example of "Java Documentation Comment"
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