Aug 2, 2025 · In Java, a marker Interface is an empty interface that has no fields or methods. It is used just to mark or tag a class to tell Java or other programs something special about that …

Aug 15, 2024 · A marker interface is an interface that doesn’t have any methods or constants inside it. It provides run-time type information about objects, so the compiler and JVM have …

An interface that does not contain methods, fields, and constants is known as marker interface. In other words, an empty interface is known as marker interface or tag interface.

Jul 9, 2025 · What Is a Marker Interface? A marker interface is an interface with no methods or constants, used to convey metadata to the Java compiler or runtime. A class implements it not …

The Java compiler is informed by a message by the marker interface so that it adds some special characteristics to the class implementing it. If there is an information about a class which …

May 28, 2025 · A marker interface is a special type of interface in Java that has no methods or fields. It’s used to mark a class with metadata to indicate that the class has a special behavior. …

Apr 1, 2025 · Each marker interface in Java indicates that it represents something special to JVM or compiler. In Java, we have three interfaces that are Marker interfaces as shown below: #1) …

Structure of Java Program and Java Syntax. 15. Operators in Java. 16. Java If-else. 17. Switch Case In Java. 18. Loops in Java. 19. Infinite loop in Java. 20. For Loop in Java.

Oct 20, 2024 · What is a Marker Interface? A marker interface, also known as a tagging interface, is an interface that does not contain any methods or constants. Unlike typical interfaces that …

What is a Marker Interface? A marker interface is an empty interface (without any methods or fields) that is used to signal to the Java compiler or runtime system that a class possesses a …