Java Test 1-3 - Mr. Truncale - Robert E. Lee High School

Mr. Truncale - Robert E. Lee High School

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Java Test 1-3

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1. What is wrong with the following “skeleton” of a Java program?

public class MyClass
{
public static void main(String args[])
{
}
}

Choose One *

public and class on the first line should be interchanged MyClass name is wrong There should not be a [ ] after args Nothing is wrong None of these

2. Which line of code will cause Hello to be printed? *

System.out.println(“Hello”); System.out.println(Hello); System.out.println(“Hello”) All of these None of these

3. What is actually printed with the following code?

System.out.print(“Fire”);
System.out.println(“ Ants”);

Choose One *

FireAnts Fire Ants Fire (on one line) Ants (on the next line) Pants on fire None of these

4. What is the syntax for indicating that a line of text is not Java code; rather, it is a remark? *

rem \\ // comment None of these

5. What are the three variable types we have studied up to this point? *

String, float, spinner integer, dblPrec, ace int, double, word String, int, double None of these

6. Suppose you have the number 189.24. Which variable type would you use to store this number? *

String int double tupperWare None of these

7. Which line of code declares k to be an integer? *

k int; int k; integer k; k integer; None of these

8. Which of the following is an illegal name for a variable? *

Num flag-stuff 12flag flag_stuff, More than one of these

9. Which of the following is the most desirable way to name a variable? *

redcolor red_color redColor RedColor All are equally desirable Both B and C

10. What is output by the following code?

String s = “Mona Lisa”;
System.out.println(s.length( ));

Choose One *

7 illegal code 8 9 none of these

11. What is output by the following code?

String girl = “Heather Jones”;
System.out.println(girl.substring(8));

Choose One *

Heather (one space after the 'r') er Jones Jones 8Jones None of these

12. What is output by the following code?

String girl = “Heather Jones”;
System.out.println(girl.substring(8,11));

Choose One *

Jon one ones ather Jones None of these

13. What is the index of the ‘L’ in the String “Abraham Lincoln”? *

9 8 7 0 None of these

14. What is output by the following code?

String s = “Beaver Cleaver”;
System.out.println(s.toUpperCase( ));

Choose One *

beaver cleaver BEAVER CLEAVER b bEAVER cLEAVER none of these

15. CODE PART

Given:

String name = "Bill Gates";

Use the string name and the substring method as shown in lesson 3 to display the output below:

Your first name is Bill.
Your last name is Gates.

Put code here *

Submit

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