S A M P L E


CPS 1 (Ramm)			Spring 1998		      11 February 1998
	      			  Quiz #4

Name ___________________   Honor Code________________________    Section _____
(Note: Getting your Name and Section right is worth one point. If we can't
decipher your name or section, it's wrong.)

A. Assume you have the following Java code fragment (part of the
action method) and it runs.  What is the value of sum when it completes?


    int sum = 0, k, start = 2, stop = 7;
    ...
    k = start;
    while (k < stop)
    {
	k = k + 3;
	sum = sum + 2*k;
    }
    ...


B. Here are some simple rules defining Java syntax.

#1 <identifier> ==> //a sequence of letters and/or digits that begin
                                                             with a letter//
#2 <statement> ==> <identifier> = <expression>;

#3 <expression> ==> <string expression>

#4 <expression> ==> <integer expression>

#5 <string expression> ==> <identifier>

#6 <string expression> ==> "//any string of printable characters//"

#7 <string expression> ==> <string expression> + <string expression> 

#8 <compound statement> ==> {
			  // a sequence of <statements>'s //
			    }

In the style shown in the lectures, show how these rules can be used to
generate the following Java program fragment (thus verifying that it is
syntactically correct.  Identify the rule used at each stage.  Continue
on back as needed.

	{
  	    j = "victory!";
  	    s = "good" + msg;
	}

Start with: #8	<compound statement> ==>