Question 1

If a, b, and c are int variables with a = 5, b = 7, c = 12, then the statement int z = (a * b - c) / a; will result in z equal to

Accepted Answer

A)  0 
B)  4 
C)  5 
D)  -5 
E)  23

Question 2

As presented in the Software Failure, the root cause of the Mars Climate Orbiter problem was

Accepted Answer

A)  the cost of the project 
B)  an inability to track the orbiter at long distances 
C)  atmospheric friction 
D)  a communication issue between subsystems 
E)  none of the above

Question 3

Using getCurrencyInstance( ) formats a variable, automatically inserting

Accepted Answer

A)  decimal point for cents 
B)  dollar sign 
C)  percent sign 
D)  all three 
E)  A and B but not C

Question 4

A variable of type boolean will store either a 0 or a 1.

Accepted Answer

A) True 
 B)False

Question 5

What will be the result of the following assignment statement? Assume b = 5 and c = 10.
Int a = b * (-c + 2) / 2;

Accepted Answer

A)  30 
B)  -30 
C)  20 
D)  -20 
E)  -6

Question 6

Use the following class definition to answer the questions below.
 public class Questions
 {
 public static void main(String[ ] args)
 {
 System.out.print("Here");
 System.out.println("There " + "Everywhere");
 System.out.println("But not" + "in Texas");
 }
 }
-The program will print the word "Here" and then print

Accepted Answer

A)  "There Everywhere" on the line after "Here" 
B)  "There" on the line after "Here" and "Everywhere" on the line after "There" 
C)  "There Everywhere" on the same line as "Here" 
D)  "ThereEverywhere" on the same line as "Here" 
E)  "ThereEverywhere" on the line after "Here"

Question 7

Provide an example of how you might use a boolean, a float, a char, a String, and an int.

Accepted Answer

The answer of Provide an example of how you might...

Question 8

If x is an int and y is a float, all of the following are legal except which assignment statement?

Accepted Answer

A)  y = x; 
B)  x = y; 
C)  y = (float) x; 
D)  x = (int) y; 
E)  all of the above are legal

Question 9

If you want to output a double so that at least 1 digit appears to the left side of the decimal point and exactly 1 digit appears to the right side of the decimal point, which pattern would you give a DecimalFormat variable when you instantiate it?

Accepted Answer

A)  "0.0" 
B)  "0.#" 
C)  "0.0#" 
D)  "0.##" 
E)  "#.#"

Question 10

Consider the following paint method and answer the questions below:
public void paint(Graphics page)
{
page.setColor(Color.blue);
page.fillRect(50, 50, 100, 100);
page.setColor(Color.white);
page.drawLine(50, 50, 150, 150);
page.drawLine(50, 150, 150, 50);
page.setColor(Color.black);
page.drawString("A nice box", 50, 170);
}
-The figure drawn in this applet is

Accepted Answer

A)  a blue square 
B)  a blue square with two white lines drawn horizontally through it 
C)  a blue square with two white lines drawn diagonally through it 
D)  a blue square with two white lines drawn vertically through it 
E)  a white square with two blue lines drawn vertically through it

Question 11

Many Java drawing shapes are specified using a bounding rectangle.

Accepted Answer

A) True 
 B)False

Question 12

Given the following assignment statement, which of the following answers is True regarding the order that the operators will be applied based on operator precedence?
A = (b + c) * d / e - f;

Accepted Answer

A)  *, /, +, - 
B)  *, +, /, - 
C)  +, *, /, - 
D)  +, /, *, - 
E)  +, -, *, /

Question 13

Given four int values, x1, x2, y1, y2, write the code to compute the distance between the two points (x1, y1) and (x2, y2), storing the result in the double distance.

Accepted Answer

The answer of Given four int values, x1, x2, y1,...

Question 14

Use the following class definition to answer the questions below.
 public class Questions
 {
 public static void main(String[ ] args)
 {
 System.out.print("Here");
 System.out.println("There " + "Everywhere");
 System.out.println("But not" + "in Texas");
 }
 }
-A reasonable documentation comment for this program might be

Accepted Answer

A)  // a program that demonstrates the differences between print, println and how + works 
B)  // a program that outputs a message about Texas 
C)  // a program that demonstrates nothing at all 
D)  // a program that outputs the message "Here There Everywhere But not in Texas" 
E)  // a program that contains three output statements

Question 15

Use the following class definition to answer the questions below.
 public class Questions
 {
 public static void main(String[ ] args)
 {
 System.out.print("Here");
 System.out.println("There " + "Everywhere");
 System.out.println("But not" + "in Texas");
 }
 }
-The final println command will output

Accepted Answer

A)  "But not in Texas" 
B)  "But notin Texas" 
C)  "But not" on one line and "in Texas" on the next line 
D)  "But not+in Texas" 
E)  "But not + in Texas"

Question 16

Assume that x, y, and z are all integers (int) equal to 50, 20, and 6 respectively. What is the result of x / y / z?

Accepted Answer

A)  0 
B)  12 
C)  16 
D)  A syntax error as this is syntactically invalid 
E)  A run-time error because this is a division by 0

Question 17

What value will z have if we execute the following assignment statement?
Float z = 5 / 10;

Accepted Answer

A)  z will equal 0.0 
B)  z will equal 0.5 
C)  z will equal 5.0 
D)  z will equal 0.05 
E)  none of the above, a run-time error arises because z is a float and 5 / 10 is an int

Question 18

In order to create a constant, you would use which of the following Java reserved words?

Accepted Answer

A)  private 
B)  static 
C)  int 
D)  final 
E)  class

Question 19

Consider the following statement: System.out.println("1 big bad wolf	8 the 3 little pigs
4 dinner2night");
This statement will output ________ lines of text

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 20

Suppose that String name = "Frank Zappa". What will the instruction name.toUpperCase( ).replace('A', 'I'); return?

Accepted Answer

A)  "FRANK ZAPPA " 
B)  "FRINK ZIPPI" 
C)  "Frink Zippi" 
D)  "Frank Zappa" 
E)  "FrInk ZIppI"

Exam 2: Data and Expressions

If a, b, and c are int variables with a = 5, b = 7, c = 12, then the statement int z = (a * b - c) / a; will result in z equal to

As presented in the Software Failure, the root cause of the Mars Climate Orbiter problem was

Using getCurrencyInstance( ) formats a variable, automatically inserting

A variable of type boolean will store either a 0 or a 1.

What will be the result of the following assignment statement? Assume b = 5 and c = 10. Int a = b * (-c + 2) / 2;

Provide an example of how you might use a boolean, a float, a char, a String, and an int.

If x is an int and y is a float, all of the following are legal except which assignment statement?

If you want to output a double so that at least 1 digit appears to the left side of the decimal point and exactly 1 digit appears to the right side of the decimal point, which pattern would you give a DecimalFormat variable when you instantiate it?

Many Java drawing shapes are specified using a bounding rectangle.

Given the following assignment statement, which of the following answers is True regarding the order that the operators will be applied based on operator precedence? A = (b + c) * d / e - f;

Given four int values, x1, x2, y1, y2, write the code to compute the distance between the two points (x1, y1) and (x2, y2), storing the result in the double distance.

Use the following class definition to answer the questions below. public class Questions { public static void main(String[ ] args) { System.out.print("Here") ; System.out.println("There " + "Everywhere") ; System.out.println("But not" + "in Texas") ; } } -The final println command will output

Assume that x, y, and z are all integers (int) equal to 50, 20, and 6 respectively. What is the result of x / y / z?

What value will z have if we execute the following assignment statement? Float z = 5 / 10;

In order to create a constant, you would use which of the following Java reserved words?

Consider the following statement: System.out.println("1 big bad wolf\t8 the 3 little pigs\n4 dinner\r2night") ; This statement will output ________ lines of text

Suppose that String name = "Frank Zappa". What will the instruction name.toUpperCase( ) .replace('A', 'I') ; return?