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35 Cards in this Set

  • Front
  • Back
_____ are the key to understanding object-oriented technology.
Objects
Objects all have _____ and _____.
state

behavior
An object stores its state in _____.
fields
A field is similar to a _____.
variable
Variables in Java are often referred to as _____.
fields
An object exposes its behavior through _____.
methods
Methods are called _____ in some programming languages.
functions
Functions are usually referred to as _____ in Java.
methods
Methods
(______)
behavior
Fields
(______)
state
The primary mechanism for object to object communication.
methods
hiding internal state and requiring all interaction to be performed through methods
data encapsulation
the blueprint from which individual objects are created
class
Identify:

void changeCadence(int newValue) {
cadence = newValue;
}
method
Structurally, methods are placed...
within a class.
Identify:

int cadence = 0
field
Identify:

class Bicycle {
void changeCadence(int newValue) {
cadence = newValue;
}
}
Class

(method embedded)
Identify

class name {
. . .
}
class
The keyword _____ begins the class definition.
class
The keyword class begins the _____.
class definition
What are these symbols called? { }
curly braces
(braces)
What is this called?
{
opening curly brace
(opening brace)
What is this called?
}
closing curly brace
(closing brace)
In the Java programming language, every application must contain a _____method.
main
Identify:

public static void main(String[] args)
main method
public static void main(String[] args)

In this method, "public" and "static" are _____.
modifiers
public static void main(String[] args)

In this method, "args" is the _____.
argument name
public static void main(String[] args)

In this method, "String[]" is the _____.
array
In Java, All method definitions are defined in the body of the _____.
class
What are these symbols called?

[ ]
brackets
What are these symbols called?

( )
parentheses
What is this symbol called?

(
opening parenthesis
What is this symbol called?

)
closing parenthesis
What is this symbol called?

[
opening bracket
What is this symbol called?

]
closing bracket