You asked: How are comments implemented in Java?

How comments are added in Java?

The Java programming language has three kinds of comments: Traditional comments: The first five lines of the listing form one traditional comment. The comment begins with /* and ends with */. Everything between the opening /* and the closing */ is for human eyes only.

How do you write comments in Java?

There are three ways to write comments in Java. Single line comments begin with two forward slashes. Multi-line comments begin with a forward slash and an asterisk and the last line ends with an asterisk and a forward slash.

What are the three ways to put comment in Java?

Comments in Java

  1. Single – line comments.
  2. Multi – line comments.
  3. Documentation comments.

How are comments in a Java program treated by the compiler?

Implementation comments in Java code are only there for humans to read. Java compilers don’t care about them and when compiling the program, they just skip over them. The size and efficiency of your compiled program will not be affected by the number of comments in your source code.

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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 the purpose of adding comments in the code?

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 are the two types of comments?

Using Two Types of Comments

  • Marginal comments.
  • End comments.

What are the two types of comments in Java?

Types of Java Comments

  • Single Line Comment.
  • Multi Line Comment.
  • Documentation Comment.

How do you teach commenting skills?

The first teaching

  1. Discuss what a comment is and what makes a good one. …
  2. Offer your own Sharing. …
  3. Explain what sorts of comments listeners might make. …
  4. Brainstorm comments with the class. …
  5. Do separate questions and comments. …
  6. Invite individual comments.

What is a multiline comment?

Multiline comments are used for large text descriptions of code or to comment out chunks of code while debugging applications. Comments are ignored by the compiler.

What does a comment look like in Java?

Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by Java (will not be executed).

Who is maintaining Java?

On November 13, 2006, Sun Microsystems made the bulk of its implementation of Java available under the GNU General Public License (GPL). The latest version is Java 17, released in September 2021. As an open source platform, Java has many distributors, including Amazon, IBM, Azul Systems, and AdoptOpenJDK.

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Is comments visible to the compiler?

Comments are normally stripped out during preprocessing, so the compiler itself never sees them at all. They can (and normally do) slow compilation a little though–the preprocessor has to read through the entire comment to find its end (so subsequent code will be passed through to the compiler.

Is the comment ignored by the compiler?

Comments are used to document what a program is for and how a program is constructed. Comments help the programmers or users to communicate and understand the program. Comments are not programming statements and are ignored by the compiler.

Why are comments useful?

They can easily understand the logic behind solving any problem. If you see/edit code later, comments may help you to memorize your logic that you have written while writing that code. … Writing comments may take time, but it maintains the international coding standards.