5541358
Description
Flashcards by Shannon Anderson-Rush, updated more than 1 year ago
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Created by Shannon Anderson-Rush
over 9 years ago
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| Question | Answer |
| Vocabulary | |
| Object | The basic software part of an object-oriented program or an encapsulated collection of data variables and methods or an instance of a class with defined attributes. |
| Variable | A name for a location in memory used to hold a data value. |
| sides = 10; | This is an assignment statement because it gives or assigns a value to a variable. |
| Constants | Are like variables, but they have the same value throughout the program. (Created with the reserve word 'final' before a declaration. |
| Expression | A combination of operators and operands, like a mathematical expression. |
| Autoboxing | The automatic conversion between a primitive value and a corresponding wrapper object. |
| Class Library | A set of classes that supports the development of programs. |
| Method | A named group of declarations and programming statements that can be invoked (executed) when needed. A method is part of a class. |
| Class | The formal implementation, or blueprint, of an object, the model that defines the variable and methods an object will contain when instantiated. |
| Encapsulation | The characteristic of an object that limits access to its variables and methods. All interaction with the object occurs through an interface. |
| Keyword | A reserved word in Java. |
| Signature | Consists of the constructor name and the parameter list. |
| Parameter | Values that are passed into a constructor. There are often referred to as "actual parameters". |
| Null | A special value used to indicate that a reference is not associated with any object. |
| Void Methods | Do not have return values and are there not called as part of an expression. |
| Escape Sequence | Starts with a \ and have a special meaning in Java. |
| Autoboxing | The automatic conversion that the Java compiler makes between primitive types and their corresponding object wrapper classes. |
| Unboxing | Automatic conversion that the Java compiler makes from the wrapper class to the primitive type. |
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