. 1 Package main
2
. 3 Import " FMT "
. 4
. 5 FUNC main () {
. 6
. 7 / *
. 8 defined string is a bond int numeric
. 9 var XX Map [string] int = Map [string] int {}
10 var XX = Map [ String] {} int
. 11 XX: = Map [String] int {}
12 is * /
13 is
14
15
16 // length is not specified, a default length is 0
. 17 // A: = the make (Map [String] int, 2)
18 is A: = the make (Map [ String ] int )
. 19
20 is
21 is
22 is //Adding data
23 is A [ " AAA " ] = . 1
24 A [ " BBB " ] = 2
25 A [ " CCC " ] = . 3
26 is
27
28 // The key to access the value
29 fmt.Println ( " AAA number is " , a [ " aaa " ]) // number aaa is 1
30
31 is
32
33 is // change the value
34 is a [ " aaa " ] = 111
35 fmt.Println ( " AAA number is " , A [ " AAA " ]) // AAA number was 111.
36
37 [
38 is
39
40 }
. 1 Package main
2
. 3 Import " FMT "
. 4
. 5 FUNC main () {
. 6
. 7 A: = the make (Map [ String ] int )
. 8
. 9
10
. 11 // add data
12 is A [ " AAA " ] = . 1
13 is A [ " BBB " ] = 2
14 a [ " CCC " ] = . 3
15
16 // If the query does not exist, is not given.
17 fmt.Println (" Ddd number is " , A [ " ddd " ]) // ddd numbers 0
18 is
. 19
20 is // access key with the authentication determination is then made 01
21 is AA, OK: A = [ " AAA " ]
22 is IF OK == to true {
23 is fmt.Println ( " value is aaa " , AA)
24 } the else {
25 fmt.Println ( " the value is not " )
26 }
27
28
29 // check sum, logical judgment made 02
30 IF AAA, OK: A = [ " ddd " ]; == OK to true {
31 is fmt.Println (AAA)
32 } the else {
33 is fmt.Println ( " no " )
34 }
35
36
37 [
38 is // traversal key and 01 values
39 for key, value: = Range A {
40 fmt.Printf ( " A [% S] D =% \ n- " , key, value)
41 is }
42 is
43 is
44 is /// traversal key 02 and values
45 for key := range a{
46 fmt.Println(key,a[key])
47 }
48
49 }