All About Operators
Statements can use mathematical expressions by employing the operators +
, -
, *
, /
, and %
. You use these operators to crunch numbers throughout your Java programs.
An addition expression in Java uses the +
operator, as in these statements:
double weight = 205;weight = weight + 10;
The second statement uses the +
operator to set the weight
variable equal to its current value plus 10. A subtraction expression uses the -
operator:
weight = weight - 15;
This expression sets the weight
variable equal to its current value minus 15.
A division expression uses the /
sign:
weight = weight / 3;
This sets the weight
variable to its current value divided by 3.
To find a remainder from a division expression, use the %
operator (also called ...
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