Java Conditionals Unit 3

What is the value of var1 after the code segment is executed?

• 1

• 2

• 9

• 10

What is printed as a result of the call conditionalTest(-1, -1)?

• A

• B

• C

• D

if !(val < 80 || !(val <= 90))

 

Which of the following code fragments would have the same effect?

• if (!(val>80)||val<=90)

• if (val > 80 || !(val >= 90))

• if (val >= 80 && val <= 90)

• if (val > 80 && !(val <=90))

The following truth table matches which Boolean condition?

•  (A && B) || B

• A || (B && A)

•  (A || B ) && B

• (A || B) || (!A || !B)

A student programmed a video game to display different end messages depending on the final score. If the score is greater than or equal to 20, the game will print, “AMAZING!”. If the score is between 15-19 inclusive, the game will print out, “Well done.” If the score is between 10-14 inclusive, the game will print, “Do better.” And if the score is less than 10, the game will print, “Ouch.”

Will this code work as expected?

• Yes

• No

What is the value of myNumber after the above code executes?

• 6

• 7

• 8

• 9

What will be printed when this code segment is executed?

• yes no yes

• yes yes yes

• yes no no

• no yes yes

!(x || y) && (x || y)

 

The result of evaluating the expression above is best described as:

•  always true

• always false

• true only when x is true and y is true

• true only when x and y have the same value