C＃中的UInt64.Equals方法(带有示例)

UInt64.Equals方法用于获取一个值，该值指示当前实例是否等于指定的对象或64位无符号长整数。此方法的重载列表中有2种方法，如下所示：

• 等于(UInt64)方法
• 等于(对象)方法

UInt64.Equals(UInt64)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64位无符号长整数值。

Syntax: public bool Equals (ulong obj);
Here, it takes a 64-bit unsigned long integer value to compare to the current 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UInt64.Equals(UInt64)方法的用法：

范例1：

// C# program to demonstrate the
// UInt64.Equals(UInt64) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // Declaring and initializing value1
        ulong value1 = 5232642;
  
        // Declaring and initializing value2
        ulong value2 = 2317648;
  
        // using Equals(UInt64) 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：

5232642 is not equal to 2317648

范例2：

// C# program to demonstrate the
// UInt64.Equals(UInt64) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
  
        // calling get() method
        get(9213128, 2131978);
        get(656455, 656455);
        get(10120, 10120);
        get(UInt64.MaxValue, UInt64.MinValue);
    }
  
    // defining get() method
    public static void get(ulong value1,
                           ulong value2)
    {
  
        // using Equals(UInt64) 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：

9213128 is not equal to 2131978
656455 is equal to 656455
10120 is equal to 10120
18446744073709551615 is not equal to 0

UInt64.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 the current instance.

Return Value: This method returns true if obj is an instance of UInt64 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
// UInt64.Equals(Object) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // Declaring and initializing value1
        ulong value1 = 13421227;
  
        // Declaring and initializing value2
        object value2 = 1 / 417;
  
        // 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：

13421227 is not equal to 0

范例2：

// C# program to demonstrate the
// UInt64.Equals(Object) Method
using System;
using System.Globalization;
  
class GFG {
  
    // Main Method
    public static void Main()
    {
        // calling get() method
        get(1231264, 7234455);
        get(1423412, (ulong)14432314);
        get(7742344, (ulong)7742344);
        get(5443, 7346);
    }
  
    // defining get() method
    public static void get(ulong 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：

1231264 is not equal to 7234455
1423412 is not equal to 14432314
7742344 is equal to 7742344
5443 is not equal to 7346

参考：

• https://docs.microsoft.com/zh-cn/dotnet/api/system.uint64.equals?view=netstandard-2.1