获取 C# 中给定索引的哈希码
原文:https://www . geeksforgeeks . org/get-c-sharp 中给定索引的哈希代码/
在 C# 8.0 中引入了索引结构。它表示可用于索引集合或序列的类型，并且可以从开始或结束开始。您可以借助索引结构提供的获取哈希码方法找到指定索引的哈希码。此方法返回指定索引的哈希代码。
语法:
public override int GetHashCode();
例 1:
// C# program to illustrate the
// concept of the GetHashCode() method
using System;
namespace example {
class GFG {
// Main Method
static void Main(string[] args)
{
// Creating new indexes
// Using Index() constructor
var in1 = new Index(1, true);
var in2 = new Index(3, false);
// Getting the hash code
// of the given index
// Using GetHashCode() method
var res1 = in1.GetHashCode();
var res2 = in2.GetHashCode();
// Displaying the index
Console.WriteLine("Hash Code of Index: {0} is: {1} ", in1, res1);
Console.WriteLine("Hash Code of Index: {0} is: {1} ", in2, res2);
}
}
}
输出:
Hash Code of Index: ^1 is: -2
Hash Code of Index: 3 is: 3
例 2:
// C# program to illustrate the concept
// of the GetHashCode() method
using System;
namespace example {
class GFG {
// Main Method
static void Main(string[] args)
{
// Creating and initializing an array
string[] greetings = new string[] {"Hello", "Hola", "Namaste",
"Bonjour", "Ohayo", "Ahnyounghaseyo"};
// Creating new indexes
// Using Index() constructor
var in1 = new Index(2, true);
var in2 = new Index(3, false);
var in3 = new Index(2, false);
// Getting the hash code
// of the given indexes
// Using GetHashCode() method
var res1 = greetings[in1].GetHashCode();
var res2 = greetings[in2].GetHashCode();
var res3 = greetings[in3].GetHashCode();
// Displaying the index
Console.WriteLine("Index: {0} Value: {1} HashCode: {2} ",
in1, greetings[in1], res1);
Console.WriteLine("Index: {0} Value: {1} HashCode: {2} ",
in2, greetings[in2], res2);
Console.WriteLine("Index: {0} Value: {1} HashCode: {2} ",
in3, greetings[in3], res3);
}
}
}
输出:
Index: ^2 Value: Ohayo HashCode: -1302855152
Index: 3 Value: Bonjour HashCode: 399419679
Index: 2 Value: Namaste HashCode: 1350085290
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