AP Computer Science Chapter 4
In structured programming, program flow is strictly controlled with how many entrances and exits?
1
What is the output of System.out.println(Math.sqrt(100))
10
How many Color constants are built into java?
13
What does awt stand for?
Abstract Windows Tools
What are the 4 stages of program design?
Cryptic Programming, Unstructured Spaghetti-Programming,Structured Programming,OOP
Which class has methods that use more parameters, math or graphics?
Graphics
What is the difference between C++ and java with regards to OOP?
Java requires it, C++ does not
What libraries must be imported in order to use the graphics class?
Java.awt Java.applet
Which method is not found in an applet?
Math
In structured programming, program statements with a common purpose were grouped together in special..
Modules
Is GOTO used in structured programming?
No
What does OOP stand for?
Object Oriented Programming
What is Encapsulation?
The object encapsulates both data and the logizal procedures required to manipulate the data.
How is calling a method of the math class different from calling a method in the graphics class?
They don't follow the same pattern
In OOP, what are attributes used for?
They store program data
What controls the execution sequence in an applet?
Web browser
Modules that perform a related set of functions are grouped together in a special type of container. What is the container called?
class
What 4 things can parameters be?
constants,variables,expressions,methods
Structured Programming greatly improved the... of programs
creation,debugging,and updating
What 2 things do classes contain?
data,methods
What is the difference between drawOval and Filloval
drawOval draws the circle, while fillOval fills it.
What graphics method is similar to system.out.println, but is used with graphics output
g.drawString
Print the java command to change the graphics color to orange
g.setcolor(Color.orange)
What are 2 types of class interaction?
inheritance, composition
What do the 5th and 6th parameters of drawArc specify?
int start,int decrees
What do the 4 parameters of the drawRect method of the Graphics class specify?
int x,int y, int width, int height
What do the 4 parameters of the drawLine method of the Graphics class specify?
int x,int y, int x2, int y2
What do the 4 parameters of the drawOval method of the graphics class specify?
int x,int y,int width,int height
When you use parameters incorrectly it may not always be apparent that the program has some --- error
logic
How do you create a circle with the drawOval and fillOval methods?
make the width and height the same
How do you create a square with the drawRect and fillRect methods
make the width and the height the same
What does the word polymorphism mean?
many forms
What does math signify?
math class
What does sqrt signify?
method identifier
What is the difference between drawRect and fillRect
one draws, and one fills
What does 100 signify?
parameter
What is an arc
part of a circle
what 2 java methods have you already learned about?
print,println
In OOP, what are methods used for?
they perform some actions on the information
What is a parameter used for?
to provide pessary info to a method
