小数。C# 中的减法()方法

原文:https://www . geesforgeks . org/decimal-减法-in-c-sharp/

此方法用于从一个指定的十进制值中减去另一个指定的十进制值。

语法:公共静态十进制减法(十进制 a1，十进制 a2)；

参数: a1 :该参数指定被减数。 a2 :此参数指定减数。

返回值:从 a1 中减去 a2 的结果。

异常:如果返回值小于最小值或大于最大值，该方法将给出overoverover exception。

以下程序说明了上述方法的使用:

例 1:

// C# program to demonstrate the
// Decimal.Subtract(Decimal, Decimal)
// Method
using System;

class GFG {

    // Main Method
    public static void Main()
    {
        try {

            // Declaring the decimal
            // variables
            Decimal a1 = .01m;
            Decimal a2 = .03m;

            // Subtracting the two Decimal value
            // using Subtract() method
            Decimal value = Decimal.Subtract(a1, a2);

            // Display the Result
            Console.WriteLine("Result is : {0}",
                                         value);
        }

        catch (OverflowException e) {
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}

Output:

Result is : -0.02

例 2: 适用于飞越异常

// C# program to demonstrate the
// Decimal.Subtract(Decimal, Decimal)
// Method
using System;

class GFG {

    // Main Method
    public static void Main()
    {
        try {

            // Declaring the decimal variables
            Decimal a1 = Decimal.MinValue;
            Decimal a2 = Decimal.MaxValue;

            // Subtracting the two Decimal value
            // using Subtract() method;
            Decimal value = Decimal.Subtract(a1, a2);

            // Display the Result
            Console.WriteLine("Result is : {0}",
                                        value);
        }

        catch (OverflowException e) 
        {
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}

Output:

Exception Thrown: System.OverflowException

参考:

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