What are some examples of Java interfaces?
Java interfaces are abstract types that allow you to define methods that must be implemented by classes. For example, the Comparable
interface is used to compare objects.
Can you give me more examples of interfaces?
Sure! Other examples include Runnable
, which is used for creating threads, and Serializable
, which allows objects to be serialized.
How do I implement an interface in a class?
To implement an interface, use the implements
keyword in your class definition. For example: class MyClass implements MyInterface { ... }
.
What is the difference between an interface and an abstract class?
An interface can only contain method signatures and constants, while an abstract class can have method implementations and state.
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