arithmetic operator Comparison Table

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arithmetic operator comparison table

Subject use use in have example have syntax have purpose be is an instance of indicate

% an infix notation
operand1 % operand2
to compute the remainder of dividing one operand by another binary operator modulus

* an infix notation
operand1 * operand2
to multiply one operand by another binary operator multiplication

+ an infix notation
operand1 + operand2
to add two operands together or to perform string concatenation said to be an overloaded operator because it has two different meanings depending on the types of its operands
+ indicates string concatenation
if its operands have type String
otherwise + indicates addition
binary operator addition

++ prefix or postfix form
example expression equivalent longer expression
a++;
b=a++;
++a;
b=++a; a=a+1;
b=a; a=a+1;
a=a+1;
a=a+1; b=a;
to increment its operand by one
if a unary operator uses a prefix notation
then the unary operator appears before its operand
unary operator

- an infix notation
operand1 - operand2
to subtract one operand from another binary operator subtraction

-- prefix or postfix form
example expression equivalent longer expression
a--;
b=a--;
--a;
b=--a; a=a-1;
b=a; a=a-1;
a=a-1;
a=a-1; b=a;
to decrement its operand by one
if a unary operator uses a prefix notation
then the unary operator appears before its operand
unary operator

/ an infix notation
operand1 / operand2
to divide one operand by another binary operator division

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