AP CS A unit 1

Consider the following code segment.

System.out.println("W");

System.out.println("X");

System.out.print("Y");

System.out.print("Z");

What is printed as a result of executing the code segment?

• WXYZ

• W

  XYZ

• WX

  YZ

• W

  X

  YZ

• W

  X

  Y

  Z

Consider the following code segment.

String str = "AP";

str += "CS " + 1 + 2;

System.out.println(str);

What is printed as a result of executing the code segment?

• CS AP12

• AP CS3

• CSAP 12

• APCS 12

• APCS 3

What is the expected output?

• -1

• 0

• 1

• 17

• 18

Which of these are escape characters? Choose all that apply!

• \n

• \t

• \

• "

• /

Is the following identifier legal or illegal?

MyFirstProgram

• legal

• illegal

If x = 4, x++ =?

• 16

• 8

• 5

• 3

if int a = 10, what does b = if b= 15/4

• 1

• 5

• 0

• 3

In integer division, what happens to the decimal, such as int a = 25/10, where the answer would be 2.5?

• the decimal is dropped

• the number is rouneded

• the program gives you an error

• only the decimal is returned

Which of the following are primitive data types? (slect all that are)

• int

• float

• String

• triple

T/F? String is a primitive data type?

• true

• false