Flashcards
OOP - Instance and Static Variables
Flashcards do conjunto (10)
- 1Local Variables What are they? What is there scope?Variables declared in the body of a method
No scope beyond the method they were declared in - 2Attempting to refer to variables beyond their scope will cause a _____ _____ errorcompile time
- 3Instance Variables What are they?Variables that are declared in the class NOT within a method
- 4What are getters and setters?2 methods that manipulate the attributes that belong to a particular object (or class)
- 5What is the general format of a "get()" method using an int as an example?public int getInt(){
return classInt;
} - 6What is the general format of a "set()" method using an int as an example?public void setInt(int age){
this.age = age;
} - 7Static Variables Every object has its own copy of all the instance variables of the class. "static" makes the variable _____constant
- 8Static Variables What is their scope?Class Wide
- 9Static Variables How can you access them from other classes? Given that the name of the class it resides in is called "Nathan" and the variable is called "age"Nathan.age;
- 10To use a static method in another class, does an object have to be instantiated? Can a "this" keyword be used in a static method?No
No
Informações
- Descrição
- Masters Programming I FlashCards sobre OOP - Instance and Static Variables, criado por nhunsdale02 em 05-06-2014.
- Criado por
- nhunsdale02
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