Principles of object-oriented programming: Classes, objects, interfaces, references, methods and fields; types of inheritance, overriding, polymorphism, overloading, covariance and contravariance, exception handling, generics, closures; design by contract; use of standard APIs..
Principles of object-oriented programming: Classes, objects, interfaces, references, methods and fields; types of inheritance, overriding, polymorphism, overloading, covariance and contravariance, exception handling, generics, closures; design by contract; use of standard APIs..
