VB.Net算术运算符

下表显示了VB.Net支持的所有算术运算符。假设变量A=2,变量B=7,则:

运算符 描述 说明
^ 一个操作数的指定次幂值 B^A = 49
+ 两个操作数相加 A + B = 9
- 第一个操作数减去第二个操作数 A - B = -5
* 两个操作数相乘 A * B = 14
/ 第一个操作数除以第二个操作数 B / A = 3.5
\ 第一个操作数除以第二个操作数的整数值 B / A = 3
MOD 模运算符,整数除法后的余数
B / A = 1

示例

尝试下面的例子来理解VB.Net中的所有算术运算符:

文件:arithmetic_operators.vb

Module arithmetic_operators
   Sub Main()
      Dim a As Integer = 21
      Dim b As Integer = 10
      Dim p As Integer = 2
      Dim c As Integer
      Dim d As Single
      c = a + b
      Console.WriteLine("Line 1 - Value of c is {0}", c)
      c = a - b
      Console.WriteLine("Line 2 - Value of c is {0}", c)
      c = a * b
      Console.WriteLine("Line 3 - Value of c is {0}", c)
      d = a / b
      Console.WriteLine("Line 4 - Value of d is {0}", d)
      c = a \ b
      Console.WriteLine("Line 5 - Value of c is {0}", c)
      c = a Mod b
      Console.WriteLine("Line 6 - Value of c is {0}", c)
      c = b ^ p
      Console.WriteLine("Line 7 - Value of c is {0}", c)
      Console.ReadLine()
   End Sub
End Module

执行上面示例代码,得到以下结果 -

F:\worksp\vb.net\operators>vbc arithmetic_operators.vb
F:\worksp\vb.net\operators>arithmetic_operators.exe
Line 1 - Value of c is 31
Line 2 - Value of c is 11
Line 3 - Value of c is 210
Line 4 - Value of d is 2.1
Line 5 - Value of c is 2
Line 6 - Value of c is 1
Line 7 - Value of c is 100

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