Csharp/CSharp Tutorial/Operator/Arithmetic Operators

Arithmetic Operators

C# defines the following arithmetic operators:

Operator Meaning + Addition - Subtraction (also unary minus)

Multiplication / Division % Modulus ++ Increment -- Decrement

When / is applied to an integer, any remainder will be truncated.

For example, 10/3 will equal 3 in integer division.

using System;
class MainClass
{
    static void Main(string[] args)
    {
        int     a,b,c,d,e,f;
        a = 1;
        b = a + 6;
        Console.WriteLine(b);
        c = b - 3;
        Console.WriteLine(c);
        d = c * 2;
        Console.WriteLine(d);
        e = d / 2;
        Console.WriteLine(e);
        f = e % 2;
        Console.WriteLine(f);
    }
}

Compound operator

using System;
public class CompoundAssApp
{
    public static void Main(string[] args)
    {
        int nCalc = 10;
        nCalc += 5;
        Console.WriteLine(nCalc);
   
        nCalc -= 3;
        Console.WriteLine(nCalc);
   
        nCalc *= 2;
        Console.WriteLine(nCalc);
   
        nCalc /= 4;
        Console.WriteLine(nCalc);
   
        nCalc %= 4;
        Console.WriteLine(nCalc);
    }
}

postfix and prefix

using System;
class MainClass
{
  static void Main(string[] args)
  {
    int   a,b,c,d,e,f;
    a = 1;      
    b = a + 1;    
    b = b - 1;    
    c = 1; d = 2;  
    ++c;      
    Console.WriteLine(c);
    --d;      
        Console.WriteLine(d);
        
    e = --c;    
    Console.WriteLine(e);
    f = c--;    
    Console.WriteLine(f);
  }
}

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shortcut Operators

using System;
class MainClass
{
  static void Main(string[] args)
  {
    int a, b, c, d, e;
    a = 1;
    a += 1;
    Console.WriteLine(a);
    b = a;
    b -= 2;
    Console.WriteLine(b);
    c = b;
    c *= 3;
    Console.WriteLine(c);
    d = 4;
    d /= 2;
    Console.WriteLine(d);
    e = 23;
    e %= 3;
    Console.WriteLine(e);
  }
}

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