The java comments are statements that are not executed by the compiler and interpreter. The comments 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 specific time.
Types of Java Comments
There are 3 types of comments in java.
1) Java Single Line Comment
The single line comment is used to comment only one line.
2) Java Multi Line Comment
The multi line comment is used to comment multiple lines of code.
3) Java Documentation Comment
The documentation comment is used to create documentation API. To create documentation API, you need to use javadoc tool.
Compile it by javac tool:
Create Documentation API by javadoc tool:
Now, there will be HTML files created for your Calculator class in the current directory. Open the HTML files and see the explanation of Calculator class provided through documentation comment.