Java Test 1-3

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? *

3. What is actually printed with the following code?

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

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

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

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

10. What is output by the following code?

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

11. What is output by the following code?

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

12. What is output by the following code?

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

14. What is output by the following code?

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

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.