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34 Cards in this Set
- Front
- Back
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What is a class? |
A class is a template or a blueprint for a type of object |
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What is an object? |
An object is an instance of a class |
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What is inheritance in relation to OOP? |
Inheritance enables new objects to take on properties of existing objects |
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What is abstraction? |
The concept of representing important details and hiding away the implementation details. |
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What is encapsulation? |
Protecting the data by marking it private and controlling how it is accessed and modified |
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What is polymorphism? |
Generalizing the code variable, parameter or return types so it can work with objects of many types |
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What is a constructor? |
Used to initialize variables as an object is created |
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What is a destructor? |
Used to free up memory that an object held when that object is no longer needed |
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What is an abstract class? |
A class which cannot be instantiated, used in inheritance, represents only part of an item |
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What is a concrete class? |
A class which can be instantiated, can be used with “new” to create an object |
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What is object oriented programming? |
A programming model based on objects, instead of just functions and procedures |
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What is a Super class? |
A class from which other classes inherit code is called a super class |
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What is a Sub class? |
A class which inherits code from a super class is a sub class |
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What is instantiation? |
The process of creating an object from a class |
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Name 3 advantages of OOP? |
•Code reuse •Flexibility through polymorphism •Easier troubleshooting |
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What is a compiler? |
A compiler converts source code to machine code |
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What is an in interpreter in relation to computer programming? |
An interpreter directly executes source code |
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What is architecture neutral? |
Software that is designed without regard to the target platform |
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What is platform independence? |
Software that can run on any hardware platform or software platform |
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What is an array? |
A series of objects of the same type, stored contiguously in memory |
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What is an advantage of an array? |
•Fast input and retrieval of data, •can store a number of elements |
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What is a disadvantage of an array? |
Fixed in size |
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What is an array list? |
A collection similar to an array, but number of elements can be increased |
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What is a set? |
A collection which does not allow duplicate values |
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What is a map? |
A collection that uses key value pairings, where the keys must be unique |
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What is a queue? |
A collection where the first item added to the collection is the first item processed |
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What is a stack? |
A collection where the last item added to the collection is the first item processed |
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what is the index of the 1st element of an array? |
Index 0 |
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What is the index of the last element of an array? |
Length of array-1 |
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Name a persistent storage type? |
File or a database |
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How does object oriented programming differ to procedural programming? |
Procedural programming relies on prodcedures that operate on data- these are two separate concepts. In object oriented programming, these two concepts are bundled into objects |
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What is information hiding? |
Protects the data from direct modification by other parts of the program |
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What is a method? |
A named block of code to represent behavior or actions of an object |
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What is a abstract method? |
A method that is declared without an implementation
(Whiteout braces and followed by a semi colon) |
