Processing: Arithmetic Operators

Operator	Performs
+	Additon
-	Subtraction
/	Division
*	Multiplication
%	Gives Remainder
++	Pre or post increment
--	Pre or post decrement

Operators.pde

int operand1 = 30;
int operand2 = 10;

println("Addition of operand1 and operand2 is " + (operand1 + operand2));
println("Subtraction of operand1 and operand2 is " + (operand1 - operand2));
println("Multiplication of operand1 and operand2 is " + (operand1 * operand2));
println("Division of operand1 and operand2 is " + (operand1 / operand2));
println("Remainder of operand1 and operand2 is " + (operand1 % operand2));

When you ran above application, you can able to see below messages in console.

Addition of operand1 and operand2 is 40
Subtraction of operand1 and operand2 is 20
Multiplication of operand1 and operand2 is 300
Division of operand1 and operand2 is 3
Remainder of operand1 and operand2 is 0

Some points to be Noted

1. Multiplication, Division and remainder operators has more priority than Addition and Subtraction operators.

Operators.pde

int var1 = 10, var2 = 20;
int result = var1+var2*var1;
println(result);

result = var1-var2/var1;
println(result);

result = var1+var2%var1;
println(result);

Output

210

8

10

Explanation

    for the Expression

        result = var1+var2*var1

                = 10 + 20*10

                = 10 +200

                = 210

        result = var1-var2/var1

                = 10-20/10

                = 10-2

                = 8

        result = var1+var2%var1

                = 10 + 20 % 10

                = 10 + 0

                = 10

2. Remainder operator always returns the sign of numerator

    Ex:

        5 % 2 = 1

        -5 % 2 = -1

int var1 = 5, var2 = 2;
println(var1%var2);

var1= -5;
println(var1%var2);

Output

1

-1

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