Quick Answer: What Are The Three Types Of Comments In Java?

What is print () in Java?

print(): print() method in Java is used to display a text on the console.

This text is passed as the parameter to this method in the form of String.

This method prints the text on the console and the cursor remains at the end of the text at the console..

What language uses for comments?

Since both BASIC and FORTRAN used single lines for their statements, it is not surprising they used the same convention for comments. With these full-line comments, they are used on separate lines before or after code that needs to be commented.

How many types of comments are there in Java?

two kindsJava programs can have two kinds of comments: implementation comments and documentation comments. Implementation comments are those found in C++, which are delimited by /*… */, and //.

What are the three types of comments?

There are three types of Java comments:Single-line Comments. As the name suggests, it is for the beginners and is in a single line Java comments. … Multi-line Comments. … Documentation Comments.

What is /* in Java?

/** and /* in Java comments All characters available inside any comment are ignored by Java compiler. /** 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.

How many single line commenting types are there?

three typesIn Java there are three types of comments: Single – line comments.

What are 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.

What is Javadoc used for?

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.

What is difference between i ++ and ++ i in Java?

They both increment the number. ++i is equivalent to i = i + 1 . … Both increment the number, but ++i increments the number before the current expression is evaluted, whereas i++ increments the number after the expression is evaluated.

What is todo in Java?

Comments are lines of text in code that start with a specific set of characters like “//” in Javascript or java. … TODO comments are just code comments that start with a single string of capital letters like // TODO or // FIXME.

What is the meaning of comments?

1 : commentary. 2 : a note explaining, illustrating, or criticizing the meaning of a writing Comments on the passage were printed in the margin. 3a : an observation or remark expressing an opinion or attitude critical comments constructive comments.

What is multi line comment in Java?

Java Multi-line Comments Multi-line comments start with /* and ends with */ . Any text between /* and */ will be ignored by Java.

What is single line comment?

Single-line comments allow narrative on only one line at a time. Single-line comments can begin in any column of a given line and end at a new line or carriage return. The // character sequence marks the text following it as a single-line comment. Here’s an example.

What is a multi line comment?

/* Multi-line comments */ Allows you to add explanatory text to code. … This type of comment can wrap over multiple lines.

What are the different types of comments?

Seven types of comments emerge: directive, evaluative, advisory, interpretive, descriptive, directive questions (Socratic), and open-ended questions (discovery). The comments of beginners tended to be directive, evaluative, and/or advisory.

Why do we use comments?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

What is the difference between .equals and == in Java?

== should be used during reference comparison. == checks if both references points to same location or not. equals() method should be used for content comparison. equals() method evaluates the content to check the equality.

Which is better too many comments or too few comments?

Too many comments may be bad, if the comments do not add information about how the code works. Extra comments do not hurt anything. But too few comments is much worse, because even the author of some code cannot really understand it completely after a few months. … Extra comments do not hurt anything.