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Question about variables in the while construct

 
Ranch Hand
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New to java/programming and i cant understand why the pen variable does not display the the correct value ... For example for input 1 ; 2 ; 3 ; 4 both variables will display 10 and i dont understand why pen does not have the value 6 .Would appreciate someone enlighting this for me .

 
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So what happens when readInt returns 0?
r = 0;
pen = sum; // pen = 10
sum = sum + r; // sum = 10 + 0


THEN, while condition is checked and the loop exits.
 
Tiberius Marius
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Thanks for pointing it out , i imagined incorrectly that the Read was outside of the while loop and there would not be a 0 loop
 
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