1) An object's properties are also known as what?

a)

methods

b)	instance variables

c)	orientations

d)

messages

e)class variables

2) What is another name for an object?

a)

a method

b)	a variable

c)	a data type

d)	an instance of a class

e)

a gadget

3) Which of the following statements is FALSE?

a) A private method may be called from anywhere within the class in which it is declared.

b)	A public attribute may be examined from anywhere in the program, but may not be changed.

c)	The keyword void indicates that a method does not return any value.

4) Which of the following things does this statement do? Color darkBrown = new Color( 120, 160, 0 );

a) declare a new variable

b) construct a new object

c) create a binding

d) All of the above

e) None of the above

5) An object diagram represents what?

a)	the makeup of a class

b)	the state of memory at a particular point during the execution of a program

c)	the collection of all possible objects

d)the same thing as a flowchart

6) When drawing an object diagram, you evaluate a series of program statements to figure out how they change the contents of memory. Which of the following is a question you should ask as you evaluate each line of code?

a)	Does the line of code declare a variable?

b)	Does the line of code instantiate an object?

c)	Does the line of code create a binding?

d)All of the above

e)None of the above

7) Which of the following valid statements declares a variable? /* 1 */ Oval dot = new Oval(); /* 2 */ dot.setColor( new Color( 0, 0, 255 ) ); /* 3 */ dot.setFilled(); /* 4 */ Oval circle; /* 5 */ circle = dot;

a)

1

b)

1 and 2

c)

1 and 4

d)	1, 4 and 5

e)	None of the above

8) Which of the following valid statements creates (constructs) an object? [Read very carefully!] /* 1 */ Oval dot = new Oval(); /* 2 */ dot.setColor( new Color( 0, 0, 255 ) ); /* 3 */ dot.setFilled(); /* 4 */ Oval circle; /* 5 */ circle = dot;

a)

1

b)1 and 2

c)1 and 4

d)1, 4 and 5

e)None of the above