Golang program to swap two integer numbers

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In this program, we will swap two integer numbers and print values of swapped variables on the console screen.

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Program/Source Code:

The source code to swap two integer numbers is given below. The given program is compiled and executed successfully.

//Golang program to swap two integer numbers.

package main
import "fmt"

func main() {
    //Declare 3 integer type variables
    var num1 int =10
    var num2 int =20
    var num3 int =0
    fmt.Println("Numbers before swapping:") 
    fmt.Println("Num1: ",num1) 
    fmt.Println("Num2: ",num2) 
    fmt.Println("Numbers after swapping:") 
    fmt.Println("Num1: ",num1) 
    fmt.Println("Num2: ",num2) 


Numbers before swapping:
Num1:  10
Num2:  20
Numbers after swapping:
Num1:  20
Num2:  10

In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the fmt package that includes the files of package fmt then we can use a function related to the fmt package.

Now, we come to the main() function. The main() function is the entry point for the program. Here, we declared three variables num1num2num3 that are initialized with 10200 respectively.

num3 = num1
num1 = num2
num2 = num3

In the above code, we interchanged the values of the num1 and num2 variable. After that, we printed the swapped variables using Println() function on the console screen.

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Golang Basic Programs

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