Question on division (Java) - Also Perl, PHP, Python ...
What's the difference between % and /?
/ returns the result of a division
% returns the remainder when you do a division.
Divide 18 by 7 you get 2, with a remainder of 4 (i.e. 4 left over).
so 18/7 give 2, and 18%7 gives 4.
And from Tcl/Tk and Expect...
you can see the float v integer considerations of a division!
% expr 18 / 7
(written 2007-11-28, updated 2008-09-15)
% expr 18. / 7
% expr 18 % 7
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articlesH102 - A First PHP Web Page 
A comment on comments in PHP - (2013-04-28) 
How does PHP work? - (2012-11-07) 
Using print_r in PHP to explore mysql database requests - (2009-10-01) 
It's REALLY easy to add a little PHP - (2006-02-26)J703 - Java - Variables 
Incrementing a variable in Java - Pre and Post Increment - (2014-12-08) 
Learning to program - variables and constants - (2014-11-22) 
BODMAS - the order a computer evaluates arithmetic expressions - (2012-11-09) 
Turning bright delegates into bright and knowledgable ones - (2011-07-21) 
Do I need to initialise variables - programming in C, C++, Perl, PHP, Python, Ruby or Java. - (2011-05-05) 
Java - basic rules for arithmetic, variables and conversion - (2010-11-10) 
Setting up individual variables, and arrays, in Java - some commented examples - (2010-11-09) 
Class Loading and Variable Conversion in Java - (2009-05-02) 
Variable scope in Java Servlets and other web applications - (2009-05-01) 
Conversion and coercion in Java - (2004-11-22)P202 - Perl Fundamentals 
Perl functions such as chop change their input parameters - (2012-01-10) 
What order are operations performed in, in a Perl expression? - (2011-12-07) 
Perl - making best use of the flexibility, but also using good coding standards - (2011-08-19) 
Perl from basics - (2011-06-20) 
AND and OR operators - what is the difference between logical and bitwise varieties? - (2010-12-24) 
Object Orientation in an hour and other Perl Lectures - (2010-11-18) 
Different perl examples - some corners I rarely explore - (2010-07-18) 
Are you learning Perl? Some more examples for you! - (2010-06-27) 
Variable storage - Perl, Tcl and Python compared - (2009-10-08) 
Variable Types in Perl - (2008-12-15) 
Perl - Subs, Chop v Chomp, => v , - (2008-10-08) 
Hot Courses - Perl - (2008-07-28) 
Some one line Perl tips and techniques - (2007-08-21) 
Getting rid of variables after you have finished with them - (2006-06-06) 
MTBF of coffee machines - (2005-01-20)Y102 - Python - Fundamentals 
Mutable v Immuatble objects in Python, and the implication - (2015-02-24) 
Formatting output - why we need to, and first Python example - (2012-10-09) 
Some terms used in programming (Biased towards Python) - (2011-12-12) 
Beware - a=a+b and a+=b are different - Python - (2011-02-23) 
Python - fresh examples from recent courses - (2010-12-11) 
Learning to program in Python 2 ... and / or in Python 3 - (2010-05-24) 
Python - fresh examples of all the fundamentals - (2009-08-20) 
Pascals Triangle in Python and Java - (2008-11-10) 
Python - input v raw input - (2007-12-06) 
Integer v float - Python - (2007-11-12) 
Python security - trouble with input - (2006-11-30) 
Copying a reference, or cloning - (2006-03-05) 
Making programs easy for any user to start - (2005-05-29)
Some other Articles
Santa on the train to MelkshamMore PHP sample and demonstration programsEasy selection of multiple SQL conditions from PHPUpgrade Mac OSX to Leopard, Web Server Apache httpd config lostQuestion on division (Java) - Also Perl, PHP, Python ...Refa Tandoori Indian Restaurant, MelkshamAn answer to a student asking 'Help'Looking after you Christmas Customer CrowdsUsing English can slow you right down!Christmas is coming very early