Superclass - Study guides, Revision notes & Summaries

INSY 3300 - Final EXAM (T and F and MC) (75 Questions) 100% Correct When working with a sequential access file, you can jump directly to any piece of data in the file without reading the data that comes before it. F When you open a file that file already exists on the disk using the 'w' mode, the contents of the existing file will be erased. T The process of opening a file is only necessary with input files. Output files are automatically opened when data is written to them. F When an inpu...

CNIT 325 Questions and Answers Rated A+ To compile: javac MyFirstP Will produce: MyFirstP To execute: java MyFirstProgram Java Class is a design construct, includes data (attributes) and behavior (methods) Object The living version of a class; "physical" version of the design construct class is like a house blueprint object is the house "Object is an instance of a class" Encapsulation "Data hiding" The idea of safeguarding data inside behavior. Access to the data is controlled by the...

SER 322 Midterm Exam | Questions and Answers (Complete Solutions) What is a Composite attribute? A. An attribute that represents a value that is derivable from a related attribute or set of attributes, not necessarily in the same entity B. An attribute that holds multiple values for a single component C. An attribute composed of multiple components each with individual existence D. An attribute that holds a single value for a single entity E. An attribute composed of a single component with an...

The process of inheritance should establish a(n) ___________________ relationship. a) is-a b) has-a c) static d) not-a e) none of the above - correct answer (A.) (is-a) Inheritance should establish an is-a relationship. Therefore any objects that are of a type lower in the inheritance hierarchy are also of a type higher in the inheritance hierarchy. The original class that is used to derive a new class using inheritance is called ____________________ . a) a superclass b) a par...

IT 209 Midterm Practice Quiz- GMU Questions and Answers 100% Pass __init__ method is called constructor and it is for when we create an instance of a class (an object) True 'self' refers to current object. True Any variable defined inside a function is considered to be in ______ scope? Local Below is a definition of a polymorphic function and a class. What will be the outcome of the following code? class Animal(object): def audio_sound(self): print('Boo Boo!') def makeSo...

Inheritance - ANSWER Is a relationship class Shape(Circle): pass class Shape is a Circle, inherits all methods from circle and is an instance of the circle class, circle is the superclass and shape is the subclass

CSE 205 QUESTIONSBANK FULL SET CSE 205 QUESTIONSBANK FULL SET|UPDATED WITH GUARANTEED ACCURATE ANSWERS   To override a superclass method in a subclass, the subclass method ____. A. Must use a different method name. B. Must use the same method name and the same parameter types. C. Must use a different method name and the same parameter types. D. Must use a different method name and different parameter types. - Accurate AnswerB. must use the same method name and the same parameter type...

Data flow analysis is a data-oriented design technique True or False - Answer-False The Detailed design of a module can be represented in a tabular format or using pseudocode. True or False - Answer-True Good design has high cohesion and low coupling. True or False - Answer-True The two key steps of object-oriented design are to complete the class diagram and perform the detailed design. True or False - Answer-True Among the following cohesion types, which of them should be preferred (p...

Serializing Objects correct answers An object can be represented as a sequence of bytes that includes the objects data as well as information about the objects type and the types of data stored. Super() correct answers A method call in a sub class constructor invokes the superclass constructor Overloading correct answers Having multiple methods with same name but different signatures in a class Overriding correct answers Overrides the functionality of an existing method but not if it is...

Abstraction provides correct answers high level model of activity Procedural abstraction correct answers Specifies actions performed hides algorithms Data abstraction correct answers Specifies data objects for the problem Hides implementations Encapsulation correct answers hides implementation details while providing interface (methods) for data access allows us to use code without knowing its implementation makes debugging and code modification simple Interface correct answers S...