AP Computer Science Final Exam||Newest Exam With Questions And Correct Answers||guaranteed Pass

AP Computer Science Final
Exam||Newest Exam With
Questions And Correct
Answers||guaranteed Pass
What is the data type of the following literal?
"fooled you" -CORRECT ANSWER string

What is the camel case variable name for a variable that represents the top score? -
CORRECT ANSWER topScore

What are the three primitive data types that will be tested on the AP Exam? -CORRECT
ANSWER double boolean int

What is the camel case variable name for a variable that represents a shoe size? -
CORRECT ANSWER shoeSize

What data type should you use to represent the average grade for a course? -
CORRECT ANSWER double

What data type should you use for a shoe size like 8.5? -CORRECT ANSWER double

What data type should you use to record if it is raining or not? -CORRECT ANSWER
boolean

What is the data type of the following literal?
'A' -CORRECT ANSWER char

What data type holds true/false values? -CORRECT ANSWER boolean

What data type should you use to represent the amount of money in a bank account? -
CORRECT ANSWER double

Which of the following is NOT the name of a Java primitive data type? -CORRECT
ANSWER String

What are the two varieties of data in Java? -CORRECT ANSWER objects and primitive

Which of the following is the correct header line for the main method in Java? -
CORRECT ANSWER public static void main (String args [])

A ______ is a note written to a human reader of a program. -CORRECT ANSWER
comment

,Which of the following will result in an error? -CORRECT ANSWER 12 + (13 + 7)/2 ) * 4

What are the two steps that take place when an assignment statement is executed? -
CORRECT ANSWER (i) Evaluate the Expression, and (ii) Store the value in the
variable.

On a single line of code declare x, y, and z all to be an integer data type. -CORRECT
ANSWER int x, y, z;

(2 - 6) / 2 + 9 -CORRECT ANSWER 7

Which of the following is legal? -CORRECT ANSWER x=9

State what is printed.
int x = 40;
int y = 4;
System.out.println(2 + 8 * y / 2 - x); -CORRECT ANSWER -22

What is the value of the expression:
-5 * + 10 * -CORRECT ANSWER 1

On a single line of code declare x, y, and z to be double and on that same line initialize
them all to be 3.14. -CORRECT ANSWER double x = 3.14, y = 3.14, z = 2.14;

State what is printed.
int a = 100;
int b = 200;
b/=a;
System.out.println(b + 1); -CORRECT ANSWER 3

What is another way to write p = p - 1;? -CORRECT ANSWER p--;

The following code stores a 20 in the variable num;
double num = 61/3;
What small change can you make to this single line of code to make it produce the
"real" CORRECT ANSWER to the division? -CORRECT ANSWER double num =
(double) 61/3;

State what is printed.
System.out.println((double)(90/9)); -CORRECT ANSWER 10.0

Write code that will calculate and print the square root of 435.61. -CORRECT ANSWER
System.out.println(Math.sqrt(435.61));

, Which of the following would return a random number from 1 to 6 inclusive? -CORRECT
ANSWER

What is the purpose of wrapper classes? -CORRECT ANSWER to convert primitive
type variables into objects containing the equivalent information.

Write a Java formula using the Math class for:
Distance = |val1 - val2| -CORRECT ANSWER Math.abs(val1-val2)

Evaluate:
Math.ceil(115.8) -CORRECT ANSWER 116.0

Evaluate:
Math.abs(2 + -4) -CORRECT ANSWER 2

Evaluate:
Math.sqrt(16) * Math.max(Math.abs(-5), Math.abs(-3)) -CORRECT ANSWER 20.0

The classes that convert primitives to objects are called _____ classes -CORRECT
ANSWER wrapper

Evaluate:
Math.min( 8, 3 + 2 ) -CORRECT ANSWER 5

Write a formula that will find the distance between two values, num1 and num2 by
taking the absolute value of their difference. Assign the CORRECT ANSWER to double
x. -CORRECT ANSWER double x = Math.abs(num1-num2)

Evaluate:
Math.sqrt(76 + 45) -CORRECT ANSWER 11.0

Which of the following would return a random int from 1 to 10 inclusive? -CORRECT
ANSWER (int)(Math.random()*10)+1

What is the value of len after the following executes?
String s1 = "Love you!";
int len = s1.length(); -CORRECT ANSWER 9

What is the value of str2 after the following code executes?
String s1 = "helicopter";
String s2 = s1.substring(4, 7); -CORRECT ANSWER cop

Consider the following code segment.
String s1 = "Queen Mary";
String s2 = "1936 Queen Mary";
String s3 = "Queen Elizabeth";