main.go

package main

import (
	"fmt"
)

type Do interface {
	getName() string
	getAge() int
}

type Student struct{
	name string
	age int
}

func (t Student) getName() string {
	return t.name
}

func (t Student) getAge() int {
	return t.age
}

func main() {
	student :=  Student{
		name: "tran",
		age: 25,
	}

	var do Do = student

	do.getName()

	fmt.Println(do.getName())
	fmt.Println(do.getAge())
}