【C#-題庫】運算子 Operator

1. ++a++;
2. a += 1;
3. a ++ 1;
4. a = a +1;
5. a = +1;

byte b1 = 0xF7;
byte b2 = 0xAB;
byte temp;
temp = (byte)(b1 & b2);
Console.Write (temp + " ");
temp = (byte)(b1^b2);
Console.WriteLine(temp);

1. >=
2. !=
3. Not
4. <=
5. <>=

int d;
d = Convert.ToInt32( !(30 < 20) );

bool falseFlag = false;
bool trueFlag = true;
Console.WriteLine("{0} converts to {1}.", falseFlag,
Convert.ToInt32(falseFlag));
Console.WriteLine("{0} converts to {1}.", trueFlag,
Convert.ToInt32(trueFlag));

Console.WriteLine(13 / 2 + " " + 13 % 2);

1. &&
2. ||
3. !
4. Xor
5. %

if ((n&16) == 16)
Console.WriteLine("Fourth bit is ON");

if ((n&8) == 8)
Console.WriteLine("Fourth bit is ON");

if ((n ! 8) == 8)
Console.WriteLine("Fourth bit is ON");

if ((n ^ 8) == 8)
Console.WriteLine("Fourth bit is ON");

if ((n ~ 8) == 8)
Console. WriteLine("Fourth bit is ON");

int num = 1, z = 5;
if (!(num <= 0))
Console.WriteLine( ++num + z++ + " " + ++z );
else
Console.WriteLine( --num + z-- + " " + --z );

byte b1 = 0xAB;
byte b2 = 0x99;
byte temp;
temp = (byte)~b2;
Console.Write(temp + " ");
temp = (byte)(b1 << b2);
Console.Write (temp + " ");
temp = (byte) (b2 >> 2);
Console.WriteLine(temp);

int i, j = 1, k;
for (i = 0; i < 5; i++)
{
  k = j++ + ++j;
  Console.Write(k + " ");
}

int a = 10, b = 20, c = 30;
int res = a < b ? a < c ? c : a : b;
Console.WriteLine(res);

int a = 10;
int b = 20;
bool c;
c = !(a > b);

1. 程式沒有錯誤。
2. 一個錯誤會發生，因為!僅能使用在int上。
3. 1會指定給變數c。
4. true會指定給變數c。
5. false會指定給變數c。