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Go - Arithmetic Operators

Quiz

Following table shows all the arithmetic operators supported by Go language. Assume variable A holds 10 and variable B holds 20, then −

Operator	Description	Example
+	Adds two operands	A + B gives 30
-	Subtracts second operand from the first	A - B gives -10
*	Multiplies both operands	A * B gives 200
/	Divides the numerator by the denominator.	B / A gives 2
%	Modulus operator; gives the remainder after an integer division.	B % A gives 0
++	Increment operator. It increases the integer value by one.	A++ gives 11
--	Decrement operator. It decreases the integer value by one.	A-- gives 9

Example - Usage of + and - Operators

Try the following example to understand + and - operators available in Go programming language −

main.go

package main

import "fmt"

func main() {

   var a int = 21
   var b int = 10
   var c int

   c = a + b
   fmt.Printf("a + b is %d\n", c )
   
   c = a - b
   fmt.Printf("a - b is %d\n", c )
}

Output

When you compile and execute the above program, it produces the following result −

a + b is 31
a - b is 11

Example - Usage of * and / Operators

Try the following example to understand * and / operators available in Go programming language −

main.go

package main

import "fmt"

func main() {

   var a int = 21
   var b int = 10
   var c int

   c = a * b
   fmt.Printf("a * b is %d\n", c )
   
   c = a / b
   fmt.Printf("a / b is %d\n", c )
}

Output

When you compile and execute the above program, it produces the following result −

a * b is 210
a / b is 2

Example - Usage of ++ and -- Operators

Try the following example to understand ++ and -- operators available in Go programming language −

main.go

package main

import "fmt"

func main() {

   var a int = 21
   
   a++
   fmt.Printf("a++ is %d\n", a )
   
   a--
   fmt.Printf("a-- is %d\n", a )
}

Output

When you compile and execute the above program, it produces the following result −

a++ is 22
a-- is 21

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