Q:

Golang program to encode a map using json.Marshal() function

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YasminRadwan26
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2022-07-04
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In this program, we will encode a map of students using json.Marshal() function and then print the result on the console screen.

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YasminRadwan26
2022-07-04
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Program/Source Code:

The source code to encode a map using json.Marshal() function is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Golang program to encode a map using
// json.Marshal() function.

package main

import "fmt"
import "encoding/json"

func main() {
	//Map of students for name and roll number.
	Students := map[string]int{"Rahul": 101, "Rohit": 102, "Virat": 103}
	result, _ := json.Marshal(Students)
	fmt.Println(string(result))
}

Output:

{"Rahul":101,"Rohit":102,"Virat":103}

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, encoding/json packages then we can use a function related to the fmt and encoding/json package.

In the main() function, we used json.Marshal() function to encode map of students. After that, we printed the encoded values using the string() function on the console screen.

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