An interface in Java represents an abstract type; it is a collection of abstract methods and constants. All methods in an interface are abstract, and thus they have only signatures. All variables in an interface are implicitly final and static,…
An interface in Java represents an abstract type; it is a collection of abstract methods and constants. All methods in an interface are abstract, and thus they have only signatures. All variables in an interface are implicitly final and static,…
There are two meanings of “class”. A class could be: a code library (a collection of methods). For example, java.lang.Math contains methods for performing basic numeric operations. an object data type (a description of a concept). For example, java.lang.String represents…