CS3 End-o-year Review

What is the output?

System.out.println(Integer.toString(256));

• 100

• 10

• 256

• 128

• None of these

What is the output?

System.out.println(8*2.5);

• 20

• 20.0

• 16

• 16.0

• None of these

What is output by line 1?

• class B 0 0 1

• class B 0 0 2

• class B 0 0 3

• class B 0 0 0

• None of these

What is output by line 2?

• class B 0 0 1

• class B 0 0 2

• class B 0 0 3

• class B 0 0 0

• None of these

What is output by line 3?

• 6 0 2

• 6 0 3

• 0 0 4

• 6 0 4

• None of these

What is output by line 4?

• 1

• 2

• 3

• 4

• None of these

What is output by line 5?

• class B 0 0 3

• class B 0 0 4

• class B 0 0 6

• class B 0 0 5

• None of these

What is the output of the code at right?

• A. 2

• B. -2

• C. 1

• D. -1

• E. -3

Which of these could replace <*1> in the code to the right so that the assignment can be done without a cast?

• A. char

• B. int

• C. byte

• D. boolean

• E. both A and B

What is output by each line?

• class B 0 0 3

• Line 5

• 1

• Line 2

• class B 0 0 7

• Line 1

• 5.0

• Line 4

• 7

• Line 3