//數組的聲明，默認為0值
    var a1 [2]int
    fmt.Println(a1)
    //數組的長度
    fmt.Println(len(a1))
    //遍歷數組
    for i, v := range a1 {
        fmt.Println(i,v)
    }




    //數組的聲明並賦初始值
    var a2 =[2]int{1,2}
    fmt.Println(a2)

    //數組的長度
    fmt.Println(len(a2))
    //遍歷數組
    for i, v := range a2 {
        fmt.Println(i,v)
    }

    a2[0]=2
    fmt.Println(a2[0])

    //
    a3:=[...]int{1,2,3,4}
    fmt.Println(len(a3))
    fmt.Println(a3)


    //二維數組
    a4:=[2][3]int{
        {1,2,3},
        {4,5,6},
    }
    fmt.Println(a4)

    for i,v := range a4 {
        fmt.Printf("數組長度為:%d \t",len(v))
        for j,k := range v {
            fmt.Printf("第%d行的第%d列數為:%d \n",i,j,k)
        }
    }
 

每天五分鐘Go - 數組