tap hop lenh duoc chay theo thu tu.
ban luyen
Visual Basic
lo trinh thuc hanh de hoc Visual Basic tu con so 0
dinh nghia truoc
Visual Basic la gi
Visual Basic dung de viet chi dan chinh xac. O day ban hoc theo lo trinh thuc hanh de hoc Visual Basic tu con so 0. Hay bat dau voi mot mo hinh: dau vao qua cac buoc roi thanh dau ra.
thong tin chay toi thieutep
Program.vbchay dotnet runthoi quen hoc mot phan nho cua Visual Basic, go vi du toi thieu roi chaygia tri la du lieu. bien la ten de giu du lieu.
mot viec nho co ten, nhan dau vao va tao ket qua.
.NET SDK chay code trong Program.vb.
doan code dau tien
dau ra chuong trinh
entry point output syntax Console.WriteLineConsole.WriteLine(42)
dau ra 42pha he ngon ngu
cay pha he Visual Basic
xem Visual Basic den tu dau, gan voi ngon ngu nao, va nen hoc gi tiep.
phu hop cho lo trinh thuc hanh de hoc Visual Basic tu con so 0
tu con so 0
1doc mot quy tac2doan dau ra3go bang tri nho4chay kiem tra5lap lai voi mot thay doi
Ngan hang cau hoi
Tim truoc khi luyen
Chon giai doan hoac tim trong ngan hang cua ngon ngu nay roi mo bai tap.
Q 1Lua chonGiai doan 1 dinh nghia
Visual Basic cau 1
Visual Basic cau 1. Chon mo ta phu hop nhat voi in mot gia tri.
Q 2Lua chonGiai doan 1 dinh nghia
Visual Basic cau 2
Visual Basic cau 2. Chon mo ta phu hop nhat voi dat ten cho gia tri.
Q 3Lua chonGiai doan 1 dinh nghia
Visual Basic cau 3
Visual Basic cau 3. Chon mo ta phu hop nhat voi ham tai su dung.
Q 4Lua chonGiai doan 1 dinh nghia
Visual Basic cau 4
Visual Basic cau 4. Chon mo ta phu hop nhat voi tap hop co ban.
Q 5Lua chonGiai doan 1 dinh nghia
Visual Basic cau 5
Visual Basic cau 5. Chon mo ta phu hop nhat voi in mot gia tri.
Q 6Lua chonGiai doan 1 dinh nghia
Visual Basic cau 6
Visual Basic cau 6. Chon mo ta phu hop nhat voi dat ten cho gia tri.
Q 7Lua chonGiai doan 1 dinh nghia
Visual Basic cau 7
Visual Basic cau 7. Chon mo ta phu hop nhat voi ham tai su dung.
Q 8Lua chonGiai doan 1 dinh nghia
Visual Basic cau 8
Visual Basic cau 8. Chon mo ta phu hop nhat voi tap hop co ban.
Q 9Lua chonGiai doan 1 dinh nghia
Visual Basic cau 9
Visual Basic cau 9. Chon mo ta phu hop nhat voi in mot gia tri.
Q 10Lua chonGiai doan 1 dinh nghia
Visual Basic cau 10
Visual Basic cau 10. Chon mo ta phu hop nhat voi dat ten cho gia tri.
Q 11Lua chonGiai doan 1 dinh nghia
Visual Basic cau 11
Visual Basic cau 11. Chon mo ta phu hop nhat voi ham tai su dung.
Q 12Lua chonGiai doan 1 dinh nghia
Visual Basic cau 12
Visual Basic cau 12. Chon mo ta phu hop nhat voi tap hop co ban.
Q 13Lua chonGiai doan 1 dinh nghia
Visual Basic cau 13
Visual Basic cau 13. Chon mo ta phu hop nhat voi in mot gia tri.
Q 14Lua chonGiai doan 1 dinh nghia
Visual Basic cau 14
Visual Basic cau 14. Chon mo ta phu hop nhat voi dat ten cho gia tri.
Q 15Lua chonGiai doan 1 dinh nghia
Visual Basic cau 15
Visual Basic cau 15. Chon mo ta phu hop nhat voi ham tai su dung.
Q 16Lua chonGiai doan 1 dinh nghia
Visual Basic cau 16
Visual Basic cau 16. Chon mo ta phu hop nhat voi tap hop co ban.
Q 17Lua chonGiai doan 1 dinh nghia
Visual Basic cau 17
Visual Basic cau 17. Chon mo ta phu hop nhat voi in mot gia tri.
Q 18Lua chonGiai doan 1 dinh nghia
Visual Basic cau 18
Visual Basic cau 18. Chon mo ta phu hop nhat voi dat ten cho gia tri.
trac nghiem
Visual Basic cau 1
Visual Basic cau 1. Chon mo ta phu hop nhat voi in mot gia tri.
Console.WriteLine(42)
tham khao
mau cho Program.vb
.NET SDK
dotnet runentry point output syntax Console.WriteLine
dau ra chuong trinh
Console.WriteLine(42)
- Run the smallest file first
- Print one known value
- Check the output before adding more code
variables assignment types Dim
gia tri va ten
Dim total As Integer = 42 Console.WriteLine(total)
- Give values readable names
- Keep one idea per line while learning
- Trace the value before changing it
function collection Array
ham va tap hop
Function Add(a As Integer, b As Integer) As Integer
Return a + b
End Function
Dim scores As Integer() = {40, 2}
Console.WriteLine(scores.Length)- Keep functions small
- Return useful values
- Use the common collection before reaching for frameworks