Ch 2 Questions #2

 

Strings & Objects

 

 

 

 

1.         Describe a String literal.  Give an example.

 

2.         How would you determine the number of characters in a String?

 

3.         How do you declare a new reference to an object?  How do you instantiate the object?

 

4.         What is the difference between declaration and instantiation?

 

5.         What is String concatenation.  What is the concatenation operator?

 

6.         What will be output from the following

            System.out.print("Answer " + 89 +13);?

 

7.         Describe inheritance.  Why is it helpful in programming?

 

8.         How are objects defined in Java?

 

9.         What is meant by abstraction?  How is the System.out.println();  an example of abstraction?

 

10.       How would you get the computer to output the first six lines of Poe's poem "Anabel Lee" using a single print statement?