Quiz 1 (Prelim)

Question 1

int num1 = 3, num2 = 2;
(num1 < num2)

(True or False)

Answer 1

F

Question 2

double hours = 92.8;
(hours > 40.2)

(True or False)

Answer 2

T

Question 3

char letter = ‘A’;
(‘A’ < letter)

(True or False)

Answer 3

F

Question 4

int age = 1;
(age != 1)

(True or False)

Answer 4

F

Question 5

double y = -2.3;
y >= 0.0;

(True or False)

Answer 5

F

Question 6

x = false, y = false, z = false
!(x && y) || z

(True or False)

Answer 6

T

Question 7

x = false, y = false, z = false
x || (z && (!y || x))

(True or False)

Answer 7

F

Question 8

x = false, y = false, z = false
true || !z && y

(True or False)

Answer 8

T

Question 9

x = false, y = false, z = false
z && x || y

(True or False)

Answer 9

F

Question 10

x = false, y = false, z = false
false || !x && y

(True or False)

Answer 10

F

Question 11

If either or both expressions evaluate to False, the _______ operator returns False.

Answer 11

AND

Question 12

If either or both expressions evaluate to True, the _______ operator returns True.

Answer 12

OR

Question 13

int x = 8;
if (x > 10)
…..System.out.println(“x is within the range. \n”);
System.out.println(“Section allows decision making. \n”);

Output:

Answer 13

Section allows decision making.

Question 14

int x = 8;
if (x < 8)
{
…..System.out.println(“x is within the range. \n”);
…..System.out.println(“This is a true statement. \n”);
}
System.out.println(“And, after selection, the next statement is exeuted. \n”)

Output:

Answer 14

And, after selection, the next statement is exeuted.

Question 15

int x = 8;
boolean found = true;
if (x == 6 || found)
…..System.out.println(“The equation is true. \n”);
System.out.println(“End of expression. \n”);

Output:

Answer 15

The equation is true.

Question 16

int x = 8;
if (x >= 5)
{
}
else
…..System.out.println(“Have a good day. \n”);
System.out.println(“The value of x is” + x + “\n”);

Output:

Answer 16

The value of x is 8

Question 17

int x = 8;
boolean found = true;
if (x != 6 && ! found)
…..System.out.println(“The expression is true. \n”);
else
…..System.out.println(“The expression is false. \n”);
System.out.println(“End of expression. \n”);

Output:

Answer 17

The expression is false.
End of expression.

Question 18

int x = 8;

if (x > 0 && x > 10)
…..System.out.println(“x is in range. \n”);
else
…..System.out.println(“x is out of range. \n”);

Output:

Answer 18

x is out of range.

Question 19

if (temp >= 70 && month >= 6)
…..System.out.println(“Wear sandals \n”);
else if (name == “Pat”)
…..System.out.println(“Wear white shoes\n”);
else
…..System.out.println(“Wear black shoes\n”);

int temp= 78; int month = 6; String name = “Pat”;

Output:

Answer 19

Wear sandals

Question 20

if (temp >= 70 && month >= 6)
…..System.out.println(“Wear sandals \n”);
else if (name == “Pat”)
…..System.out.println(“Wear white shoes\n”);
else
…..System.out.println(“Wear black shoes\n”);

int temp= 70; int month = 5; String name = “Pat”;

Output:

Answer 20

Wear white shoes

Question 21

if (temp >= 70 && month >= 6)
…..System.out.println(“Wear sandals \n”);
else if (name == “Pat”)
…..System.out.println(“Wear white shoes\n”);
else
…..System.out.println(“Wear black shoes\n”);

int temp= 60; int month = 5; String name = “Pat”;

Output:

Answer 21

Wear white shoes

Question 22

if (temp >= 70 && month >= 6)
…..System.out.println(“Wear sandals \n”);
else if (name == “Pat”)
…..System.out.println(“Wear white shoes\n”);
else
…..System.out.println(“Wear black shoes\n”);

int temp= 60; int month = 6; String name = “Your name”;

Output:

Answer 22

Wear black shoes