How pointers works in Golang.

main.go

package main

import "fmt"

func main() {
	/*
		i initial value is 0
		j initial value is 0
		i initial address is 0xc0000b4010
		j initial address is 0xc0000b4018

		i address is 0xc0000b4010
		i value is 0
		p value is 0xc0000b4010
		p address is 0xc0000b6020

		j address is 0xc0000b4010
		j value is 0
		p value is 0xc0000b4018
		p address is 0xc0000b6020
	*/

	i, j := 0, 0
	fmt.Printf("i initial value is %d\n", i)
	fmt.Printf("j initial value is %d\n", j)
	fmt.Printf("i initial address is %p\n", &i)
	fmt.Printf("j initial address is %v\n", &j)

	fmt.Println()
	p := &i
	fmt.Printf("i address is %p\n", &i)
	fmt.Printf("i value is %d\n", i)
	fmt.Printf("p value is %v\n", p)
	fmt.Printf("p address is %p\n", &p)

	fmt.Println()
	p = &j
	fmt.Printf("j address is %p\n", &i)
	fmt.Printf("j value is %d\n", j)
	fmt.Printf("p value is %v\n", p)
	fmt.Printf("p address is %p\n", &p)
}