Java Programming Quiz: Variables, Operators, and More!

1. This isJava Jeopardy

2. To Final Jeopardy

3. What is Helloworld. (with no space between the two words)? • This would be the output of the following: s.o.p. (“Hello” + “world.”); Basics 1 Back to Board

4. What is constant? • Variables that will not change in your program should be of this type. Basics 2 Back to Board

5. What is %? • This operator returns the remainder of a division problem. Back to Board Basics 3

6. What is “ , ( , {? • These three symbols require a closing symbol if you want to use them without generating an error. Back to Board Basics 4

7. What is print? • This method prints data on one continuous line. Back to Board Output1

8. What is logical? • An error in a program that works but produces the incorrect result is this type of error? Output 2 Back to Board

9. What is after the string is printed? • When using the println method at what point does the program return down a space. Output 3 Back to Board

10. What is 2? • How many lines would be in our output from the following call to print? System.out.println System.out.print System.out.print System.out.println Back to Board Output 4

11. What is string concatenation? • This allows us to split a character string that does not fit on one line of the program. String Literal 1 Back to Board

12. What is 24 and 45 concatenated: 2445? • What will be the result of the following string concatenation: System.out.println (“24 and 45 concatenated:” + 24 + 45); String Literals 2 Back to Board

13. What is \“? • This escape sequence provides a double quotation mark around a string. Back to Board String Literal 3

14. What is compareTo? • Programmers use this to tell whether one string comes before another alphabetically. Back to Board String Literals 4

15. What is a variable? • The name for a location in memory that is used to hold a data value. Variables 1 Back to Board

16. What is a boolean? • This type of variable has only two values (True or False). Variable 2 Back to Board

17. What are constants? • This type of variable is signified by the use of all upper case letters. Variable 3 Back to Board

18. What is an assignment statement? • The following represents what kind of statement? Sides = 10 Back to Board Variable 4

19. What is a mathematical/arithmetic expression? • This type of expression is a combination of operators and operands. Back to Board Data 1

20. What is 11? • The solution for the following expression would be what? result = 10 + (8 / 2 )%3 Data 2 Back to Board

21. What is an integer? • When you divide an integer by an integer your answer is this type of number. Data 3 Back to Board

22. What is 2.0? • What would the answer be to the following formula: Int x = 30 Int y = 12 Double z = x/y Data 4 Back to Board

23. What is a cast? • We must use this when committing a narrowing conversion. Random 1 Back to Board

24. What is public static void main (String[ ] args)? • This line comes immediately after Public Class header. Random 2 Back to Board

25. What is syntax error? • This type of error is noticed during compile time such as missing a semicolon. Random 3 Back to Board

26. What are letters, numbers, underscore, and $? Can not begin with #. • A valid Java identifier (variable name) may include these four things. Which can it not begin with? Random 4 Back to Board

27. Final Jeopardy Category Variablesmake your wagers

28. Let’s see your answers. • What are the four main types of variables? Begin Now.

29. Int • Double • String • boolean