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Software Dev Fund 2F

MTA - Software Development Fundamentals 2F

TermDefinition
return type exception this is when a method declares that it will return a certain type of data, like an int, and the code has it set up to return a property of a different type of data, like a String; example: public int getScore(){ return "You win!"; }
C# getters and setters are methods that are associated with a property in a C# program that allow the value for the property to be accessed or changed; this example below automatically sets up a way to "get" and "set" the value: public int fuellevel { get; set; }
upcast is when an instance of a more complex object can be cast back to its simpler super class type; an example would be to cast a FireTruck instance to a basic Truck instance; this can only be done when inheritance is involved;
downcast is when an instance of a simple object can be treated as if it were an instance of a more complex object; this can only happen if the simple object instance used to actually be an instance of that more complex object; (Ferarri)mycar
(Object)messagestring this is upcasting a String property to a generic Object; the Object class is a simpler basic class than a String class object
over-ridden method this is when you have a base class with a method and a child class with that exact same named method (and same signature); the method that actually gets called depends on whether it's a parent class instance or a child class that calls the method
over-loaded method when you have methods with the exact same name but that take different numbers and/or different types of parameters; example: doScore( ); doScore( int bonus);
derived When a class inherits functionality from a base class it is called a ______________ class
base The class that a child class inherits functionality from and to build further on is called the ____________ class
normalization this produces databases with smaller tables with smaller rows, that are easier to maintain and change, and that are faster to search and sort
cardinality this is uniqueness, for databases it means eliminating redundancy in the tables
stack the ONLY properties that are stored here are PRIMITIVE values that are LOCALLY declared inside methods
heap all GLOBAL properties are stored here even if primitive, as well as all properties that are OBJECTS even if locally declared inside a method
String String class instances are objects; they are NOT primitive values
protected the access modifier that enables the enclosing class to see properties and also any derived (child) classes to see those properties; it is NOT as restrictive as "private"
Created by: mightymaxmedia
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