簡單講解VB.NET靜態(tài)成員
本文向大家介紹VB.NET靜態(tài)成員,可能好多人還不了解VB.NET靜態(tài)成員,沒有關(guān)系,看完本文你肯定有不少收獲,希望本文能教會你更多東西。
VB.NET靜態(tài)成員
在面向?qū)ο缶幊陶Z言中,有一種被稱作靜態(tài)成員的特殊的類成員,VB.NET也有靜態(tài)成員這一概念。無需對一個對象實例化就可以使用其中的VB.NET靜態(tài)成員。例如,下面的表中,SalaryLevel類中就只包含有靜態(tài)的域:
- Class SalaryLevel
 - Public Shared Level1 As Decimal = 35000
 - Public Shared Level2 As Decimal = 40000
 - Public Shared Level3 As Decimal = 45000
 - Public Shared Level4 As Decimal = 50000
 - Public Shared Level5 As Decimal = 55000
 - Public Shared Level6 As Decimal = 60000
 - Public Shared Level7 As Decimal = 65000
 - Public Shared Level8 As Decimal = 70000
 - Public Shared Level9 As Decimal = 75000
 - Public Shared Level10 As Decimal = 80000
 - End Class
 
我們可以像下表中的程序所演示的那樣在程序中使用類:
- Imports System
 - Class SalaryLevel
 - Public Shared Level1 As Decimal = 35000
 - Public Shared Level2 As Decimal = 40000
 - Public Shared Level3 As Decimal = 45000
 - Public Shared Level4 As Decimal = 50000
 - Public Shared Level5 As Decimal = 55000
 - Public Shared Level6 As Decimal = 60000
 - Public Shared Level7 As Decimal = 65000
 - Public Shared Level8 As Decimal = 70000
 - Public Shared Level9 As Decimal = 75000
 - Public Shared Level10 As Decimal = 80000
 - End Class
 - Class Employee
 - Dim yearlyBonus As Decimal = 4000
 - Public Sub PrintSalary()
 - '使用SalaryLevel類的靜態(tài)域向Console輸出工資額
 - Console.Write(SalaryLevel.Level4)
 - End Sub
 - Public Shared Sub Main()
 - Dim employee As Employee
 - employee = New Employee()
 - employee.PrintSalary()
 - End Sub
 - End Class
 
在Employee類的PrintSalary方法中,我們可以在不首先創(chuàng)建SalaryLevel類變量的情況下使用其中的靜態(tài)域Level4。不屬于VB.NET靜態(tài)成員的類成員被稱作實例成員。
【編輯推薦】















 
 
 
 
 
 
 