C＃中的Int64.Equals方法与示例

Int64.Equals()方法用于获取一个值，该值显示当前实例是否等于指定的对象或Int64。此方法的重载列表中有2种方法，如下所示：

• 等于(Int64)方法
• 等于(对象)方法

Int64.Equals(Int64)

此方法用于返回一个值，该值指示当前实例是否等于指定的Int64值。

Syntax: public bool Equals (long obj);
Here, it takes a Int64 value to compare to this instance.

Return Value: This method returns true if obj has the same value as this instance otherwise, false.

下面的程序说明了Int64.Equals(Int64)方法的使用：

范例1：

// C# program to demonstrate the
// Int64.Equals(Int64) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // Declaring and initializing value1
        long value1 = 45643242;
  
        // Declaring and initializing value2
        long value2 = 2564233;
  
        // using Equals(Int64) method
        bool status = value1.Equals(value2);
  
        // checking the status
        if (status)
            Console.WriteLine("{0} is equal to {1}",
                                    value1, value2);
        else
            Console.WriteLine("{0} is not equal to {1}",
                                        value1, value2);
    }
}

输出：

45643242 is not equal to 2564233

范例2：

// C# program to demonstrate the
// Int64.Equals(Int64) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
  
        // calling get() method
        get(44355, 578);
        get(423445, 423445);
        get(12560, 28960);
        get(778, 798);
    }
  
    // defining get() method
    public static void get(long value1,
                           long value2)
    {
  
        // using Equals(Int64) method
        bool status = value1.Equals(value2);
  
        // checking the status
        if (status)
            Console.WriteLine("{0} is equal to {1}",
                                    value1, value2);
        else
            Console.WriteLine("{0} is not equal to {1}",
                                        value1, value2);
    }
}

输出：

44355 is not equal to 578
423445 is equal to 423445
12560 is not equal to 28960
778 is not equal to 798

Int64.Equals(Object)方法

此方法用于返回一个值，该值指示当前实例是否等于指定的对象。

Syntax: public override bool Equals (object obj);
Here, it takes an object to compare with this instance.

Return Value: This method returns true if obj is an instance of Int64 and equals the value of this instance otherwise, false.

下面的程序说明了上述方法的用法：

范例1：

// C# program to demonstrate the
// Int64.Equals(Object) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // Declaring and initializing value1
        long value1 = 1879650;
  
        // Declaring and initializing value2
        object value2 = 1/45;
  
        // using Equals(object) method
        bool status = value1.Equals(value2);
  
        // checking the status
        if (status)
            Console.WriteLine("{0} is equal to {1}",
                                    value1, value2);
        else
            Console.WriteLine("{0} is not equal to {1}",
                                        value1, value2);
    }
}

输出：

1879650 is not equal to 0

范例2：

// C# program to demonstrate the
// Int64.Equals(Object) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // calling get() method
        get(54547, 54585);
        get(555, 489);
        get(10450, 10450);
        get(745, 745);
    }
  
    // defining get() method
    public static void get(long value1,
                        object value2)
    {
  
        // using Equals(object) method
        bool status = value1.Equals(value2);
  
        // checking the status
        if (status)
            Console.WriteLine("{0} is equal to {1}",
                                    value1, value2);
        else
            Console.WriteLine("{0} is not equal to {1}",
                                        value1, value2);
    }
}

输出：

54547 is not equal to 54585
555 is not equal to 489
10450 is not equal to 10450
745 is equal to 745

参考：

• https://docs.microsoft.com/zh-cn/dotnet/api/system.int64.equals?view=netframework-4.7.2