Decimal.CompareTo() Method in C#

This method is used to compare the current instance to a specified object or Decimal and returns an indication of their relative values. There are 2 methods in the overload list of this method as follows:

• CompareTo(Decimal) Method
• CompareTo(Object) Method

Decimal.CompareTo(Decimal) Method

This method is used to compare the current instance to a specified Decimal object and returns a comparison of their relative values.

Syntax:

public int CompareTo (decimal value);

Here, it takes the object to compare with this instance.

Return Value: It returns a 32-bit signed number indicating the relative values of current instance and value parameter as follows:

• Less than Zero: if Current Instance < value
• Zero: if Current Instance = value
• Greater than Zero: if Current Instance > value

Below programs illustrate the use of Decimal.CompareTo(Decimal) Method

Example 1:

 // C# program to demonstrate the // Decimal.CompareTo(Double) Method using System;    class GFG {        // Main Method     public static void Main()     {            // Declaring and initializing value1         decimal value1 = 10;            // Declaring and initializing value2         decimal value2 = 20;            // compare both decimal value         // using CompareTo() method         int status = value1.CompareTo(value2);            // checking the status         if (status > 0)             Console.WriteLine("{0} is greater than {1}",                                         value1, value2);         else if (status < 0)             Console.WriteLine("{0} is less than {1}",                                      value1, value2);         else             Console.WriteLine("{0} is equal to {1}",                                     value1, value2);     } }

Output:

10 is less than 20

Example 2:

 // C# program to demonstrate the // Decimal.CompareTo(Double) Method using System;    class GFG {        // Main Method     public static void Main()     {         // calling get() method         get(5, 7);         get(30, 20);         get(10, 20);         get(7, -12);     }        // defining get() method     public static void get(decimal value1,                           decimal value2)     {            // using CompareTo() method         int status = value1.CompareTo(value2);            // checking the status         if (status > 0)             Console.WriteLine("{0} is greater than {1}",                                         value1, value2);         else if (status < 0)             Console.WriteLine("{0} is less than {1}",                                      value1, value2);         else             Console.WriteLine("{0} is equal to {1}",                                     value1, value2);     } }

Output:

5 is less than 7
30 is greater than 20
10 is less than 20
7 is greater than -12

Decimal.CompareTo(Object) Method

This method is used to compare the current instance to a specified object and returns a comparison of their relative values.

Syntax:

public int CompareTo (object value);

Here, it takes the object to compare with this instance, or null.

Return Value: It returns a 32-bit signed number indicating the relative values of current instance and value parameter as follows:

• Less than Zero: if Current Instance < value
• Zero: if Current Instance = value
• Greater than Zero: if Current Instance > value

Exception: It throws ArgumentException if value is not a null.

Below programs illustrate the use of Decimal.CompareTo(Object) Method

Example 1:

 // C# program to demonstrate the // Decimal.CompareTo(object) Method using System;    class GFG {        // Main Method     public static void Main()     {         try {                // Declaring and initializing value1             decimal value1 = 10;                // Declaring and initializing value2             object value2 = (decimal)9.8765400E+2;                // compare both decimal value             // using CompareTo() method             int status = value1.CompareTo(value2);                // cheking the status             if (status > 0)                 Console.WriteLine("{0} is greater than {1}",                                             value1, value2);                else if (status < 0)                 Console.WriteLine("{0} is less than {1}",                                        value1, value2);             else                 Console.WriteLine("{0} is equal to {1}",                                         value1, value2);         }            catch (ArgumentException e)          {             Console.WriteLine("value2 must be decimal");             Console.Write("Exception Thrown: ");             Console.Write("{0}", e.GetType(), e.Message);         }     } }

Output:

10 is less than 987.654

Example 2: For ArgumentException

 // C# program to demonstrate the // Decimal.CompareTo(object) Method using System; using System.Globalization;    class GFG {        // Main Method     public static void Main()     {         try {                // Declaring and initializing value1             decimal value1 = 10;                // Declaring and initializing value2             object value2 = 1 / 3;                // using CompareTo() method             int status = value1.CompareTo(value2);                // checking the status             if (status > 0)                 Console.WriteLine("{0} is greater than {1}",                                             value1, value2);                else if (status < 0)                 Console.WriteLine("{0} is less than {1}",                                          value1, value2);             else                 Console.WriteLine("{0} is equal to {1}",                                         value1, value2);         }            catch (ArgumentException e)          {             Console.WriteLine("value2 must be decimal");             Console.Write("Exception Thrown: ");             Console.Write("{0}", e.GetType(), e.Message);         }     } }

Output:

value2 must be decimal
Exception Thrown: System.ArgumentException

Reference:

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