Operator precedence

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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/
/*
  Example3_10.cs illustrates operator precedence
*/

public class Example3_10
{

  public static void Main()
  {

    int myInt = 2 + 5 * 10;
    System.Console.WriteLine("2 + 5 * 10 = " + myInt);

    myInt = (2 + 5) * 10;
    System.Console.WriteLine("(2 + 5) * 10 = " + myInt);

    myInt = 2 * 20 / 5;
    System.Console.WriteLine("2 * 20 / 5 = " + myInt);

  }

}


           
         
     


Prefix and postfix versions of the increment and decrement operators

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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example3_8.cs illustrates the use of
  prefix and postfix versions of the
  increment and decrement operators
*/

public class Example3_8
{

  public static void Main()
  {

    // postfix increment
    int length = 3;
    int newLength = length++;
    System.Console.WriteLine("Postfix increment example");
    System.Console.WriteLine("length = " + length);
    System.Console.WriteLine("newLength = " + newLength);

    // prefix increment
    length = 3;
    newLength = ++length;
    System.Console.WriteLine("Prefix increment example");
    System.Console.WriteLine("length = " + length);
    System.Console.WriteLine("newLength = " + newLength);

    // postfix decrement
    length = 3;
    newLength = length--;
    System.Console.WriteLine("Postfix decrement example");
    System.Console.WriteLine("length = " + length);
    System.Console.WriteLine("newLength = " + newLength);

    // prefix decrement
    length = 3;
    newLength = --length;
    System.Console.WriteLine("Prefix decrement example");
    System.Console.WriteLine("length = " + length);
    System.Console.WriteLine("newLength = " + newLength);

  }

}

           
         
     


Illustrates the use of the shortcut operators

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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example3_7.cs illustrates the use of
  the shortcut operators
*/

public class Example3_7
{

  public static void Main()
  {

    int length = 1;

    length += 10;
    System.Console.WriteLine("length = " + length);

    length *= 2;  // multiplies length by 2
    System.Console.WriteLine("length = " + length);

    length /= 3;  // divides length by 3
    System.Console.WriteLine("length = " + length);

  }

}

           
         
     


Illustrates the use of the bitwise operators

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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example3_6.cs illustrates the use of
  the bitwise operators
*/

public class Example3_6
{

  public static void Main()
  {

    byte byte1 = 0x9a;  // binary 10011010, decimal 154
    byte byte2 = 0xdb;  // binary 11011011, decimal 219
    byte result;

    System.Console.WriteLine("byte1 = " + byte1);
    System.Console.WriteLine("byte2 = " + byte2);

    // bitwise AND
    result = (byte) (byte1 & byte2);
    System.Console.WriteLine("byte1 & byte2 = " + result);

    // bitwise OR
    result = (byte) (byte1 | byte2);
    System.Console.WriteLine("byte1 | byte2 = " + result);

    // bitwise exclusive OR
    result = (byte) (byte1 ^ byte2);
    System.Console.WriteLine("byte1 ^ byte2 = " + result);

    // bitwise NOT
    result = (byte) ~byte1;
    System.Console.WriteLine("~byte1 = " + result);
 
    // left shift
    result = (byte) (byte1 << 1);
    System.Console.WriteLine("byte1 << 1 = " + result);

    // right shift
    result = (byte) (byte1 >> 1);
    System.Console.WriteLine("byte1 >> 1 = " + result);

  }

}

           
         
     


Illustrates the use of the arithmetic operators

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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example3_2.csc illustrates the use of
  the arithmetic operators
*/

public class Example3_2
{

  public static void Main()
  {

    // integers and arithmetic operators
    System.Console.WriteLine("10 / 3 = " + 10 / 3);
    System.Console.WriteLine("10 % 3 = " + 10 % 3);
    int intValue1 = 10;
    int intValue2 = 3;
    System.Console.WriteLine("intValue1 / intValue2 = " +
      intValue1 / intValue2);
    System.Console.WriteLine("intValue1 % intValue2 = " +
      intValue1 % intValue2);

    // floats and arithmetic operators
    System.Console.WriteLine("10f / 3f = " + 10f / 3f);
    float floatValue1 = 10f;
    float floatValue2 = 3f;
    System.Console.WriteLine("floatValue1 / floatValue2 = " +
      floatValue1 / floatValue2);

    // doubles and arithmetic operators
    System.Console.WriteLine("10d / 3d = " + 10d / 3d);
    System.Console.WriteLine("10.0 / 3.0 = " + 10.0 / 3.0);
    double doubleValue1 = 10;
    double doubleValue2 = 3;
    System.Console.WriteLine("doubleValue1 / doubleValue2 = " +
      doubleValue1 / doubleValue2);

    // decimals and arithmetic operators
    System.Console.WriteLine("10m / 3m = " + 10m / 3m);
    decimal decimalValue1 = 10;
    decimal decimalValue2 = 3;
    System.Console.WriteLine("decimalValue1 / decimalValue2 = " +
      decimalValue1 / decimalValue2);

    // multiple arithmetic operators
    System.Console.WriteLine("3 * 4 / 2 = " + 3 * 4 / 2);

  }

}

           
         
     


Illustrates the use of the ternary operator

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/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

/*
Example3_5.cs illustrates the use of
the ternary operator
*/

public class Example3_5
{

public static void Main()
{

int result;

result = 10 > 1 ? 20 : 10;
System.Console.WriteLine(“result = ” + result);

result = 10 < 1 ? 20 : 10; System.Console.WriteLine("result = " + result); } } [/csharp]

Ternary operator

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/*
Learning C# 
by Jesse Liberty

Publisher: O&#039;Reilly 
ISBN: 0596003765
*/

 using System;

 public class ThreeInputValues
 {
     static void Main()
     {
         int valueOne = 10;
         int valueTwo = 20;

         int maxValue = valueOne > valueTwo ?  valueOne : valueTwo;

         Console.WriteLine("ValueOne: {0}, valueTwo: {1}, maxValue: {2}",
             valueOne, valueTwo, maxValue);

     }
 }