Objective Type Quiz 1

1. Objective Type Quiz 1 4.10 – 4.10.5

2. 1-4. What are four types of operators used in Java?

3. 5. What is the output of the following codes: int num = 56 % 9; System.out.print(num); a. 2 b. 4 c. 6 d. 6.22

4. 6. Fill in the blanks int buda = 4; int pest = 15; Int budapest = pest___buda; System.out.println(budapest); //The output must be 3.

5. 7-8. What is the output of the following codes: int val = 3; int you = val; val = 4; int tube = ++val; val = you + tube; System.out.print(val);

6. 9. What is the output of the following codes: int ice = 11; int buko = 15; int refreshment = ice / buko; System.out.println(refreshment);

7. 10. When an integer and a float are used as operands to a single arithmetic operation, the result is a _______. • Integer • Float • Double • Char

8. 11. True or False. The increment and decrement operators can only be placed after an operand.

9. 12-13. Write the prefix form and the postfix form of writing the decrement of an operand called “num”.

10. 14-16. What is the output of the following code: int a = 1; int b = 1; int c; c= ++b; a++; System.out.println(“a = “+a); // #14 System.out.println(“b = “+b); // #15 System.out.println(“c = “+c); // #16

11. 17. _____ operators compare two values and determine the relationship beween those values.

12. 18. What is the output of the following codes. public class Relations { public static void main(String[] args) { double val1 = 2.601; double val2 = 2.60; Boolean test = false; test = (val1 <= val2); System.out.print(test); } }

13. 19. Yes or No. Is (val1 > = val2) an error? i.e. there is a space between > and =

14. 20. Fill in the blanks float horse = 2.0f; float chicken = 2.00f; Boolean compare = ________; //chicken is equal to horse.

15. 21. Logical operators have one or two _______ operands that yield a _______ result.

16. 22. What is this symbol: &&? • Boolean logical and • Logical and • Logical or • Boolean logical exclusive and

17. 23. What is this symbol: ^? • Logical or • Boolean logical exclusive or • Boolean logical inclusive or • Logical not

18. 24. The basic difference between && and & operators is that && supports ___________ evaluations.

19. 25. What is the output of the following codes: int cost = 23; int price = 13; boolean econ = false; econ = (cost < 20) || (price > 10); System.out.print(econ);

20. 26. What is the output of the following codes: int nature = 10; int spring = 11; boolean water = false; water = (nature > 20%7) || (spring > nature); System.out.print(water);

21. 27. ____ operator is an operator that takes in three arguments to form a conditional expression.

22. 28. Which of the following is the structure of an expression using a conditional operator? • exp1:exp2:exp3 • exp1:exp2?exp3 • exp1?exp2;exp3 • exp1?exp2:exp3 • exp1;exp2?exp3

23. 29. Fill in the blanks int driverSpeed = 80; String violation = “”; //If speed is greater than 80, driver gets ticket. violation = (________)?”You don’t get ticket”:”You get ticket”; System.out.println(violation) //OUTPUT: You get ticket

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