What is the use of the semicolon in Java?

In Java, the semicolon is used to terminate statements. It serves as a delimiter that indicates the end of a single executable instruction or declaration. This is crucial in Java because it informs the compiler where one statement ends and the next begins, allowing for the clear structure and flow of code.

When writing code, placing a semicolon at the end of each statement helps the compiler understand the logical separation of commands. For example, in a line such as int a = 5;, the semicolon signifies that the variable declaration and assignment statement is complete. This plays a vital role in preventing errors during the execution of the program and is a foundational aspect of Java syntax.

In contrast, other options do not accurately reflect the role of the semicolon. Commenting code is accomplished using specific comment syntax (like // or /* ... */), defining a class requires the keyword class, and placing variables involves declaration and assignment methodologies, none of which necessitate The use of a semicolon.