Q:

Golang goto, break, continue | Find Output Programs | Set 1

belongs to collection: Golang Find Output Programs

robaa
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2022-11-14
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This section contains the Golang goto, break, continue find output programs (set 1) with their output and explanations.

Program 1:

package main  

import "fmt"  

func main() {    
    var num int=0;
    
    MyLabel:
    num = num + 1;
    fmt.Printf("%d ",num);
    
    if(num<10)
        goto MyLabel;
    
    fmt.Println();
}

 

Program 2:

package main

import "fmt"

func main() {

	var num int = 0

MyLabel:
	num = num + 1
	fmt.Print("%d ", num)

	if num < 10 {
		goto MyLabel
	}

	fmt.Println()
}

 

Program 3:

package main

import "fmt"

func main() {

	var num int = 5
	var res int = 1
	var cnt int = 1

MyLabel:
	cnt = cnt + 1
	res = res * cnt

	if cnt < num {
		goto MyLabel
	}

	fmt.Println("Result : ", res)
}

 

Program 4:

package main  

import "fmt"  

func SayHello(){
    MyLabel1:
    fmt.Println("Hello World");
}

func main() {  
    var num int=0;
    
    num = num + 1;
    fmt.Printf("%d ",num);
    
    if(num<10)
        goto MyLabel1;
    
    fmt.Println();
}

 

Program 5:

package main

import "fmt"

func main() {

	for num := 1; num <= 10; num-- {

		if num == 6 {
			break
		}
		fmt.Print(num, " ")
	}

}
Go programming,
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All Answers

robaa
2022-11-14
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Answer Program 1:

Output:

./prog.go:13:9: syntax error: unexpected goto, expecting expression

Explanation:

The above program will generate a syntax error due to the position of curly braces in the if statement. In Go language, it is mandatory to use curly braces with an if statement.

 

Answer Program 2:

Output:

%d 1%d 2%d 3%d 4%d 5%d 6%d 7%d 8%d 9%d 10

Explanation:

The above program will print numbers from 1 to 10 and also print %d because we used fmt.Print() function instead of fmt.Printf() function.

 

Answer  Program 3:

Output:

Result :  120

Explanation:

In the above program, we created three variables num, res, and cnt, which were initialized with 5, 1, 1 respectively. Here, we found the factorial of the value of the num variable using the goto statement and printed the result on the console screen.

 

Answer Program 4:

Output:

./prog.go:6:5: label MyLabel1 defined and not used
./prog.go:17:9: syntax error: unexpected goto, expecting expression

Explanation:

The above program will generate syntax errors because we tried to transfer program control from one function to another function using the goto statement. The goto statement cannot transfer program control from one function to another function.

 

Answer Program 5:

Output:

1 0 -1 -2 ... Infinite

Explanation:

 

The above program will generate an infinite loop condition, because the value of the num variable will never reach 6 or 10, here we decreased the value num.

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