On 2/3/2011 8:32 AM, Marek Durian wrote:
Hi,
In Java Programming (with Passion!)
<http://www.javapassion.com/portal/java-programming-with-passion/java-programming-with-passion>,
I am doing labs from javase_control and there are two examples:
First one - the example of the while - MyFiveNamesusingwhileProject
Second one - the example of the dowhile - MyFiveNamesusingdowhileProject
The "while" example should repeated name five times as it it written,
and actually it does. (Figure-3.13: Name is repeated 5 times using
while loop)
The "do while" example should repeat name six times? It does it five
times only.
(Code-3.21: FiveNamesUsingdowhile.java 3. Build and run the program
* Right click MyFiveNamesUsingdowhileProject and select Run.
* Observe that the program prompts you to enter your name.
* Enter your name in the Input field and press Enter key. (Do not
press Close Input.)
* Observe that the name is repeatedly displayed 6 times.)
This is corrected now. Thanks for pointing this out.
-Sang Shin
In my opinion both codes do the same in this case:
First case:
int counter = 0;
while (counter < 5){
System.out.println("Repeated name W: "+ counter+" " +name);
counter++;
}
Second case:
int counter = 0;
do{
System.out.println("Repeated name: DW" +counter+" "+name);
counter++;
}while(counter < 5);
The only difference I can see is, if the condition would be changed to
"counter <0", the while cycle would not print anything, but the do
while would print one repeat name.
So my question is, if there is a mistyping in the lab material, or it
is my misunderstanding?
Thank you very much for your help.
Have a nice day:-)
Kind regards,
Marek Durian
Czech Republic
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Life is worth living... with Passion!
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