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# Java Comments In computer languages, comments are an important part of the language used to explain the purpose of code in the source code. They enhance the readability and maintainability of programs. Java comments are text used in Java programs to provide explanations of code functionality. Comments are not included by the compiler in the final executable program, so they do not affect the program's execution. Comments are good programming practices that help programmers understand the purpose and functionality of the code more easily and are very useful in team collaboration. There are three main types of Java comments: * Single-line comments * Multi-line comments * Document comments ### Single-line Comments Single-line comments start with double slashes //: ## Example // This is a single-line comment int x = 10; // Initialize a variable x to 10 ### Multi-line Comments Multi-line comments start with /* and end with */: ## Example /* This is a multi-line comment that can be used to comment multiple lines of code */int y = 20; // Initialize a variable y to 20 ### Document Comments Document comments start with /** and end with */, usually appearing before declarations of classes, methods, fields, etc., used to generate code documentation. These comments can be extracted by tools to generate API documentation, such as JavaDoc. ## Example /** * This is an example of a document comment * It usually contains detailed information about classes, methods, or fields */public class MyClass{// Class members and methods} The format of document comments usually includes specific tags, such as @param for describing method parameters, @return for describing return values, @throws for describing possible exceptions thrown, and so on. These tags help generate clear API documentation so that other developers can better understand and use your code. For more information on document comments, see: (#).