— Scott McNealy, Sun Microsystems Chairman, President and ceo

testcode
 

real (Java) code
ß
Prepcode should describe what to do, not how 
to do it. Implementation comes later.
ß
Use the prepcode to help design the test 
code.
ß
Write test code before you implement the 
methods.
Howdy from Ghost Town
ß
Choose for loops over while loops when you 
know how many times you want to repeat the 
loop code.
ß
Use the pre/post increment operator to add 1 
to a variable (x++;)
ß
Use the pre/post decrement to subtract 1 from 
a variable (x--;)
ß
Use
Integer.parseInt()
to get the int 
value of a String.
ß
Integer.parseInt()
works only if the 
String represents a digit (“0”,”1”,”2”, etc.)
ß
Use break to leave a loop early (i.e. even if 
the boolean test condition is still true).

---

110
 
chapter 5
public static void main(String[] args) {
int numOfGuesses = 0;
GameHelper helper = new GameHelper();
SimpleDotCom theDotCom = new SimpleDotCom();
int randomNum = (int) (Math.random() * 5); 

int[] locations = {randomNum, randomNum+1, randomNum+2}; 
theDotCom.setLocationCells(locations);
boolean isAlive = true;
while(isAlive == true) {
String guess = helper.getUserInput(“enter a number”);
String result = theDotCom.checkYourself(guess);
numOfGuesses++;
if (result.equals(“kill”)) {
isAlive = false;
System.out.println(“You took “ + numOfGuesses + “ guesses”);
} 
// close if