What do I name an interface?

Interface naming convention In Java, interfaces names, generally, should be adjectives. Interfaces should be in titlecase with the first letter of each separate word capitalized. In same cases, interfaces can be nouns as well when they present a family of classes e.g. List and Map .

What are the types of interfaces in Java?

Which Java Types Can Implement Interfaces?

• Java Class.
• Java Abstract Class.
• Java Nested Class.
• Java Enum.
• Java Dynamic Proxy.

What are the naming conventions in Java?

Naming Conventions in Java

• Class names should be nouns, in mixed cases with the first letter of each internal word capitalized. Interfaces names should also be capitalized just like class names.
• Use whole words and must avoid acronyms and abbreviations.

How do you implement an interface name?

The name of the interface should describe the abstract concept the interface represents. Any implementation class should have some sort of specific traits that can be used to give it a more specific name.

How do you name an interface in go?

By convention, one-method interfaces are named by the method name plus an -er suffix or similar modification to construct an agent noun: Reader , Writer , Formatter , CloseNotifier etc. There are a number of such names and it’s productive to honor them and the function names they capture.

Are interfaces types?

Interfaces are types An interface is a type in Java. It specifies which objects can be used as values of which variables or parameters. An interface lists the methods that objects implementing the interface have, giving each method’s signature (name, parameter types, and return type).

What is interface explain with example?

An interface is a programming structure/syntax that allows the computer to enforce certain properties on an object (class). For example, say we have a car class and a scooter class and a truck class.

Why is static used in main?

The main() method is static so that JVM can invoke it without instantiating the class. This also saves the unnecessary wastage of memory which would have been used by the object declared only for calling the main() method by the JVM.

Can ClassName have numbers in Java?

Characters allowed in Java class name The language specification states that a class name should be a sequence of so-called Java letters or Java digits.

What is class name in Java?

Java provides a class with name Class in java. lang package. Instances of the class Class represent classes and interfaces in a running Java application. The primitive Java types (boolean, byte, char, short, int, long, float, and double), and the keyword void are also represented as Class objects.

Can Java class names contain numbers?

White space is not permitted. Subsequent characters may be letters, digits, dollar signs, or underscore characters. Conventions (and common sense) apply to this rule as well. When choosing a name for your variables, use full words instead of cryptic abbreviations.