slice_array.go

package main

import (
    "fmt"
)

func main() {
    a := [...]int{1, 2, 3, 4, 5, 6, 7}
    fmt.Printf("len and cap of array %v is: %d and %d\n", a, len(a), cap(a))
    fmt.Printf("item in array: %v is:", a)
    for _, value := range a {
        fmt.Printf("% d", value)
    }

    fmt.Println()

    s1 := a[3:6]
    fmt.Printf("len and cap of slice: %v is: %d and %d\n", s1, len(s1), cap(s1))
    fmt.Printf("item in slice: %v is:", s1)
    for _, value := range s1 {
        fmt.Printf("% d", value)
    }

    fmt.Println()

    s1[0] = 456
    fmt.Printf("item in array changed after changing slice: %v is:", s1)
    for _, value := range a {
        fmt.Printf("% d", value)
    }

    fmt.Println()

    s2 := make([]int, 10, 20)
    s2[4] = 5
    fmt.Printf("len and cap of slice: %v is: %d and %d\n", s2, len(s2), cap(s2))
    fmt.Printf("item in slice %v is:", s2)
    for _, value := range s2 {
        fmt.Printf("% d", value)
    }

    fmt.Println()
}