How Many Types Of Comments Are There In Java?

How do you comment multiple lines on a keyboard?

Here are the few shortcuts to comment code, which works great on Windows.Ctrl-/ to add or remove // for a single line of code, or for multiple selected lines.Ctrl-/ to add/remove // for a single line of code, or for multiple selected lines.Ctrl-shift-/ to add /* */ around selected code..

What are the 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.

What are the two types of comments?

We have two types of comments here, the end-of-line comment and the block comment. An end-of-line comment terminates at the end of the line. A block line comment has a terminator and can continue for several lines, or be less than one line. Comments were called REMarks in BASIC.

What is comment and its types?

Comments in Java are the statements that are not executed by the compiler and interpreter. It can be used to provide information or explanation about the variable, method, class or any statement. It can also be used to hide program code for a specific time.

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.

How do you comment multiple lines in idle?

Instead, IDLE will help you put them in, and it will also help you take them out later. Simply highlight the region that you want to comment or uncomment, and go to the Format menu under which you have the option to Comment out Region (shortcut: Alt-3 ) or to Uncomment Region (shortcut: Alt-4 ).

What are the two types of comment tags?

Types of HTML Comments: There are three types of comments in HTML which are: Single-line comment. Multi-lines comment.

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?

(Entry 1 of 2) 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 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 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.

How do you comment multiple lines?

For single line comment you can use Ctrl + / and for multiple line comment you can use Ctrl + Shift + / after selecting the lines you want to comment in java editor. On Mac/OS X you can use Cmd + / to comment out single lines or selected blocks.

What is comment give an example?

1. A comment is text in a program’s code, script, or another file that is not meant to be seen by the user running the program. … Comments help make code easier to understand by explaining what is happening and help prevent portions of a program from executing. The image is an example of an HTML comment.

What are inline comments?

Inline comments are all comments not included in doc blocs. … Comments that are written in a readable and narrative style, especially when explaining a complex process, are encouraged. In general they should be placed close to the code explained rather than before the entire block of code.

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.

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.

How many single line commenting types are there?

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

What is the full form of JVM?

A Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode. The JVM is detailed by a specification that formally describes what is required in a JVM implementation.

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.

How do you comment multiple lines in Java?

Multi line comments in Java start with /* and end with */. You can comment multiple lines just by placing them between /* and */.

How do you write pseudocode comments?

When coding, you can add comments by typing “//” on the left side of the comment (e.g., //This is a temporary step. ). You can use this same method when writing pseudocode to leave notes that don’t fit into the coding text.