咕泡BATJ必问面试题锦集

yte.go

1. package main

2. 
   

3. import "fmt"

4. 
   

5. func main() {


6.   var b byte


7.   for b =0;b<177;b++{


8.      fmt.Printf("%d %c\n",b,b)


9.   }


10. }


rune.go

1. package main

2. 
   

3. import "fmt"

4. 
   

5. func main() {


6. // byte => uint8


7. // rune => int32


8. s := "golang你好"


9. fmt.Println(len(s))


10. cnt := 0


11. for _, r := range s {


12. cnt += 1


13. fmt.Printf("%c\n", r)


14. }


15. fmt.Println("cnt", cnt)


16. ss := []rune("hello")


17. fmt.Println(ss)


18. }