在C#中,ushort
是一個無符號的16位整數類型,其取值范圍是0到65535。在處理 ushort
類型的邊界情況時,需要注意以下幾點:
ushort
變量在0到65535之間。如果值超出此范圍,可以將其轉換為有符號整數(int
)并檢查是否溢出。ushort value = 65536;
if (value > ushort.MaxValue)
{
int signedValue = unchecked((int)value);
Console.WriteLine("Value is out of range and overflows as an int: " + signedValue);
}
else
{
Console.WriteLine("Value is within the valid range for ushort: " + value);
}
ushort
轉換為其他數據類型(如 int
、long
等)時,請注意可能的溢出。使用 checked
或 unchecked
關鍵字來控制溢出處理。ushort value = 32767;
int intValue = checked((int)value); // Overflow will be checked
int uncheckedIntValue = unchecked((int)value); // Overflow will not be checked
ushort
的范圍。可以使用 checked
或 unchecked
關鍵字來控制溢出處理。ushort a = 30000;
ushort b = 20000;
// Using checked for overflow checking
ushort sumChecked = checked(a + b);
if (sumChecked > ushort.MaxValue)
{
Console.WriteLine("Sum is out of range and overflows as a ushort: " + sumChecked);
}
else
{
Console.WriteLine("Sum is within the valid range for ushort: " + sumChecked);
}
// Using unchecked for overflow ignoring
ushort sumUnchecked = unchecked(a + b);
Console.WriteLine("Sum without overflow checking: " + sumUnchecked);
ushort
類型與其他數據類型(如 int
)時,要注意可能的隱式類型轉換。確保比較操作的結果符合預期。ushort value = 32767;
int intValue = 32767;
// This comparison will be true, as the implicit conversion of ushort to int will not change the value
bool areEqual = value == intValue;
Console.WriteLine("Are the values equal? " + areEqual);
總之,在處理 ushort
類型的邊界情況時,要確保值在有效范圍內,注意與其他數據類型的轉換,以及在計算和比較時考慮溢出。