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Golang program to demonstrate the structure within a structure

Here, we are going to demonstrate the structure within a structure in Golang (Go Language).
Submitted by Nidhi, on March 10, 2021

Problem Solution:

In this program, we will create a structure Sample and we will create a Nested structure within the structure Sample.

Program/Source Code:

The source code to demonstrate the structure within the structure is given below. The given program is compiled and executed successfully.

// Golang program to demonstrate the
// structure within a structure

package main

import "fmt"

// Declaration of structure
type Sample struct {
	num1   int
	Nested struct {
		num2 int
	}
}

func main() {
	var obj Sample

	obj.num1 = 10
	obj.Nested.num2 = 20

	fmt.Printf("Num1  : %d", obj.num1)
	fmt.Printf("\nNum2  : %d", obj.Nested.num2)
}

Output:

Num1  : 10
Num2  : 20

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 that includes the files of package fmt then we can use a function related to the fmt package.

In this program, we created a structure Sample which is given below:

// Declaration of structure
type Sample struct { 
    num1 int
    Nested struct{
        num2 int
    }
} 

The above structure contains the nested structure Nested, the Nested structure also contains an integer member.

In the main() function, we created an object of Sample structure and then set values to the member of the Sample structure. After that, we printed the members of the structure on the console screen.

Golang Structure Programs »



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