Two classes combine private data members and provide public member functions to access and manipulate those data members. Where is abstraction used?

What are the five Creational Design patterns by the Gang of Four ?

In multilevel inheritance, one class inherits how many classes?

If an object is passed by reference, the changes made in the function are reflected _.

What is a method?

A mobile phone is made up of components such as a motherboard, camera, and sensors. The motherboard represents all the functions of a phone, the display shows the display only, and the phone is represented as a whole. Which of the following has the highest level of abstraction?

In a sequence diagram, the _____ indicates when an object sends or receives a message.

In oop, you declare a class that extends another class. this is called ________.

A ____ method is also known as a help method.

Class ________ represents an image that can be displayed on a jlabel.

By convention, a class diagram contains the ____ following each attribute or method.