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C# Operators

C# operators commonly used can be defined as 3 categories:
  • Arithmetic
  • Relational
  • Logical

Arithmetic Operators

Operator Description
+ (Addition) returns the sum of the operands
- (Substraction) returns the difference of the values
* (Multiplication) returns the product of the values
/ (Division) performs division operation and returns the quotient
% (Modulo) performs division operation and returns the remainder


C# Example of Arithmetic Operators

using System;

namespace MyApplication
{
  class Program
  {
    static void Main(string[] args)
    {
      int x = 10;
      x += 5;
      Console.WriteLine(x);  
     }
  }
}

Output

15

Relational Operators

Operator Description
> Greater than
< Lesser than 
>= Greater than or equal to
<= Lesser than or equal to
== is Equal
!= is not Equal

C# Example of Relational Operators

using System;

namespace MyApplication
{
  class Program
  {
    static void Main(string[] args)
    {
      int x = 10;
      Console.WriteLine(x==10);  
     }
  }
}

Output

True

Logical Operators

Operator Description
&& (And)  The operator returns true only if all the expressions specified return true 
||(OR)  The operator returns true if at least one of the expressions specified return true 
! (NOT) The operator returns the inverse of the expression’s result. For E.g.: !(>5) returns false

C# Example of Logical Operators

using System;

namespace MyApplication
{
  class Program
  {
    static void Main(string[] args)
    {
      int x = 10;
      Console.WriteLine(x==10 && x >20 );  
     }
  }
}

Output

False



Conclusion

In this page (written and validated by ) you learned about C# Operators . What's Next? If you are interested in completing CS tutorial, your next topic will be learning about: CS Math Class.



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