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Golang program to demonstrate the use of fallthrough keyword

Here, we are going to demonstrate the use of fallthrough keyword in Golang (Go Language).
Submitted by Nidhi, on March 24, 2021

Problem Solution:

In this program, we will use the fallthrough keyword in the switch case.  The fallthrough keyword is used, when we need to execute more than one case in a switch case.

Program/Source Code:

The source code to demonstrate the use of the fallthrough keyword is given below. The given program is compiled and executed successfully.

// Golang program to demonstrate the
// use of fallthrough keyword

package main

import "fmt"

func main() {
	country := "In"

	switch {
	case country == "In":
		fmt.Println("India")
		fallthrough
	case country == "US":
		fmt.Println("USA")
		fallthrough
	case country == "UK":
		fmt.Println("United Kingdom")
	}
}

Output:

India
USA
United Kingdom

Explanation:

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 to formatting related functions.

In the main() function, we created a Switch block and execute all cases of the switch in a single selection using the "fallthrough" keyword and print the result on the console screen.

Golang Reflection Programs »



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