B4 - The Single Branch if Statement

valuate the following expression:

1 + 2 == 3

• true

• false

• unpredictable

Evaluate the following expression:

25 < 5 * 5

• true

• false

• unpredictable

Evaluate the following expression:

8 + 1 >= 3 * 3

• true

• false

• unpredictable

What does the following code fragment write to the monitor?

int height = 10;

if ( height <= 12 )

System.out.print("Low bridge: ");

System.out.println("proceed with caution.");

• Nothing is written.

• Low bridge:

• proceed with caution.

• Low bridge: proceed with caution.

What does the following code fragment write to the monitor?

int height = 13;

if ( height <= 12 )

System.out.print("Low bridge: ");

System.out.println("proceed with caution.");

• Nothing is written.

• Low bridge:

• proceed with caution.

• Low bridge: proceed with caution.

What does the following code fragment write to the monitor?

int depth = 8 ;

if ( depth >= 8 )

{

System.out.print("Danger: ");

System.out.print("deep water. ");

}

System.out.println("No swimming allowed.");

• Danger:

• Danger: deep water.

• Danger: deep water. No swimming allowed.

• deep water. No swimming allowed.

Evaluate the following expression:

10.0 + 0.10 < 11.0

• true

• false

• unpredictable

Evaluate the following Java expression:

10.0 + 0.10 > 10.0

• true

• false

• unpredictable

Evaluate the following Java expression:

10.0 + 1.0/10.0 < 10.1

• true

• false

• unpredictable

Fill in the blank so people under 21 years are offered Grape Soda.

if ( age _________ 21 )

System.out.println("How about a Brew?");

else

System.out.println("Care for some Grape Soda?");

• <

• ==

• !=

• >=