What is the use of JavaDoc comments?

Asked By: Cecila Nishar | Last Updated: 6th February, 2020
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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.

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Likewise, what is a Javadoc comment?

Writing Javadoc Comments In general, Javadoc comments are any multi-line comments (" /** */ ") that are placed before class, field, or method declarations. The HTML files generated by Javadoc will describe each field and method of a class, using the Javadoc comments in the source code itself.

One may also ask, how do you create a Javadoc? By the way, the source code must be decorated as per the norms of the javadoc tool.

  1. Select Generate Javadoc from the Projectmenu in Eclipse.
  2. Select one or more package for which the Javadoc will be generated.
  3. Provide the documentation title; make sure all the basic options and document tags are checked.

Also to know is, how do you write comments for Javadoc?

A doc comment is written in HTML and must precede a class, field, constructor or method declaration. It is made up of two parts -- a description followed by block tags. In this example, the block tags are @param , @return , and @see .

What is the purpose of Javadoc?

JavaDoc tool is a document generator tool in Java programming language for generating standard documentation in HTML format. It generates API documentation. It parses the declarations ad documentation in a set of source file describing classes, methods, constructors and fields.

26 Related Question Answers Found

How do I view a Javadoc?

select Window -> show view -> javadoc (or alt + shift + q, j). then in the javadoc view, right click -> open attached javadoc (or shift + F2), this will display the javadoc of the class in the internal browser of eclipse. In the source editor hover mouse over some method or class name.

Where is Javadoc located?

Finding the Javadoc
To locate the Javadoc, browse to your User folder (on Windows 7 this is C:Users*Username*), then browse to sunspotfrcsdk/doc/javadoc. Double click on the index. html file to open it in your default webbrowser.

What do you mean by documentation?

In computer hardware and software product development, documentation is the information that describes the product to its users. The term is also sometimes used to mean the source information about the product contained in design documents, detailed code comments, white papers, and blackboard session notes.

What is Javadoc Command?

javadoc is a command-line tool for extracting special comments (called doc comments) from java source files and generating an easy-to-use HTML file tree containing them. The comments can include standard HTML markup and javadoc @tags . The Java API Specification is an example of what javadoc produces.

What does @param mean in Java?


@param is a special format comment used by javadoc to generate documentation. it is used to denote a description of the parameter (or parameters) a method can receive.

Should I use Javadoc?

Every method that somebody else can use (any public method) should have a javadoc at least stating its obvious purpose. I thoroughly document every public method in every API class. Classes which have public members but which are not intended for external consumption are prominently marked in the class javadoc.

What is an API document?

API documentation is a technical content deliverable, containing instructions about how to effectively use and integrate with an API. API description formats like the OpenAPI/Swagger Specification have automated the documentation process, making it easier for teams to generate and maintain them.

What are javadocs and when should they be used?

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. */ are Java multi-line comments. Similarly, the line which preceeds // is Java single-line comment.

What is API in Java?

Java application programming interface (API) is a list of all classes that are part of the Java development kit (JDK). It includes all Java packages, classes, and interfaces, along with their methods, fields, and constructors. These prewritten classes provide a tremendous amount of functionality to a programmer.

How do you code a file in Java?


Best Practices for Code Documentation in Java
  1. Code Documentation — A Debate.
  2. Three Types of Comments.
  3. Always Document API.
  4. Revisit the Code Documentation.
  5. Use DocCheck to Your Advantage.
  6. Give Meaning to Your Code Documentation.
  7. Always Mention Implementation-Independence.
  8. Method Comments Can Be Automatically Re-Used.

What does void mean in Java?

void is a Java keyword. Used at method declaration and definition to specify that the method does not return any type, the method returns void . It is not a type and there is no void references/pointers as in C/C++. For example: public void method() { //

What is a class in Java?

Classes and Objects in Java. Classes and Objects are basic concepts of Object Oriented Programming which revolve around the real life entities. Class. A class is a user defined blueprint or prototype from which objects are created. It represents the set of properties or methods that are common to all objects of one

What is object cloning in Java?

The object cloning is a way to create exact copy of an object. The clone() method of Object class is used to clone an object. The java. lang. Cloneable interface must be implemented by the class whose object clone we want to create.

What is a constructor in Java?

A Java constructor is special method that is called when an object is instantiated. In other words, when you use the new keyword. The purpose of a Java constructor is to initializes the newly created object before it is used. This Java constructors tutorial will explore Java constructors in more detail.

How do I create a method level comment in eclipse?


3 Answers
  1. go to the Package Explorer View.
  2. expand the class you want to generate comment on (open each method)
  3. select all the opened elements in the class from that Package Explorer Tree.
  4. alt + shift + J and voilà: comments generated on the class, and every method.

How do you comment out a class in Java?

By convention, in Java, documentation comments are set inside the comment delimiters /** */ with one comment per class, interface, or member. The comment should appear right before the declaration of the class, interface or member and each line of the comment should begin with a "*".

What does a complete Javadocs method header consist of?

The method header comprises the access modifiers (public static), return type (int), method name (min), and parameters (int a, int b); if this method threw any exceptions, they would appear next. We should be very familiar with reading method headers in Javadoc from a previous lecture.