11.1.5 Floating point types

11.1.5 Floating point types C# supports two floating-point types: float and double. The float and do

浮点数字，也就是人们知道的实数（real），当计算的表达式有精度要求时被使用。例如，计算平方根，或超出人类经验的计算如正弦和余弦，它们的计算结果的精度要求使用浮点型。Java 实现了标准（IEEE

11.2 Reference types A reference type is a class type, an interface type, an array type, or a deleg

11.1.4 Integral types C# supports nine integral types: sbyte, byte, short, ushort, int, uint, long,

11.1.3 Simple types C# provides a set of predefined struct types called the simple types. The simpl

The predefined floating-point comparison operators are: bool operator ==(float x, float y); bool ope

11.1 Value types A value type is either a struct type or an enumeration type. C# provides a set of

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