What is a Javadoc comment?

What is a Javadoc comment?

In general, Javadoc comments are any multi-line comments (” /** */ “) that are placed before class, field, or method declarations. They must begin with a slash and two stars, and they can include special tags to describe characteristics like method parameters or return values.

What is /* in Java?

/** and /* in Java comments Java supports single-line and multi-line comments very similar to C and C++. /** is known as documentation comments. It is used by Javadoc tool while creating the documentation for the program code. /* is used for multi-line comments.

What are the differences between a Javadoc comment and a normal multi-line comment?

Multi-line comments or slash-star comments are called block comments. Java’s block comments are used when more than one line of comments are written. Javadoc comments or documentation comments are inserted to describe classes, interfaces, fields, methods, or constructors.

When should you use Javadoc comments?

The basic rule for creating JavaDoc comments is that they begin with /** and end with */. You can place JavaDoc comments in any of three different locations in a source file: Immediately before the declaration of a public class….

What are the three types of Java comments?

In Java there are three types of comments:

• Single – line comments.
• Multi – line comments.
• Documentation comments.

What differentiates a good comment from a bad comment?

What differentiates a good comment from a bad comment? A good comment tells the reader why this particular code is doing whatever it is doing or explains what a section of code is about to do. A bad comment restates what a particular line of code is doing.

Are Javadocs bad?

Yes. It’s wrong not to create meaningful javadoc. It is wrong to write meaningless, uninformative boilerplate javadoc. that suggests that it’s better to write no javadoc than to write meaningless javadoc, which is probably right, but seems to contradict your initial “Yes”.

Should you comment every method?

Every class and method should be preceded with a descriptive comment using the “JavaDoc” notational convention. In the method, the comment should describe its purpose, comment all arguments, the return value, and any exceptions using JavaDoc keywords.

How to write Javadoc comments?

– The Format of Javadoc Comments. A Javadoc comment precedes any class, interface, method or field declaration and is similar to a multi-line comment except that it starts with a forward – Descriptions. The description should give a concise summary of the item being commented. It should be written in simple and clear English using correct spelling and grammar. – Javadoc Tags. The Javadoc tags are used to provide important or essential meta information about the code.

What are Javadoc comments?

Writing Javadoc Comments. In general, Javadoc comments are any multi-line comments (“/** */”) that are placed before class, field, or method declarations. They must begin with a slash and two stars, and they can include special tags to describe characteristics like method parameters or return values.

How do you add comments to Java program?

Bear the following in mind when using Add Javadoc comment (Alt+Shift+J): To add a comment to a field, position the cursor on the field declaration. To add a comment to a method, position the cursor anywhere in the method or on its declaration. To add a comment to a class, the easiest is to position the cursor on the class declaration.

What are comments in Java?

Commenting in Java. Comments are an integral part of any program. They help the person reading the code (often you) better understand the intent and functionality of the program. It is critical that you get in the habit of always commenting your code and doing it as you write your code, not after the fact.