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HomeBackend DevelopmentC#.Net TutorialWhat are the uses of methods and properties of Array class in C#?

C# 中 Array 类的方法和属性有何用处?

The Array class is the base class for all arrays in C#. It is defined in the System namespace.

The following are the methods of the Array class in C#-

Teacher number Methods and instructions
1 Clear

Sets a range of elements in an array to zero, False, or null, depending on the element type.

2 Copy(Array, Array, Int32)

From the array One element starts by copying a range of elements and pasting them into another array starting from the first element. The length is specified as a 32-bit integer.

3 CopyTo(Array, Int32)

Start at the specified target array index , copies all elements of the current one-dimensional array to the specified one-dimensional array. The index is specified as a 32-bit integer.

4 GetLength

Gets a 32-bit integer representing the length in the specified dimension of the array Number of elements.

5 GetLongLength

Gets a 64-bit integer representing the length in the specified dimension of Array Number of elements.

6 GetLowerBound

Get the lower bound of the specified dimension in the array.

7 GetType strong>

Get the Type of the current instance. (Inherited from Object.)

8 GetUpperBound p>

Get the specified dimension in the array upper limit.

9 GetValue(Int32)

Get the value at the specified position in the one-dimensional array . The index is specified as a 32-bit integer.

10 IndexOf(array, object)

Search for the specified object and return the entire The index of the first occurrence in the dimensional array.

11 Reverse(Array)

Reverse the order of elements in one dimension Array.

#The following are the properties of the Array class in C#.

Sr.No Properties and Description
1 IsFixedSize

Gets a value indicating whether the array has a fixed size.

2 IsReadOnly

Gets a value indicating whether the array is read-only.

3 Length

Get a 32-bit integer representing the length of the array in all dimensions The total number of elements.

4 LongLength

Get a 64-bit integer representing the total number in all dimensions of the array Elements.

5 Ranking

Get the ranking (dimension) of the array.

Let us see an example of Reverse method to reverse the characters in a character array and find if it is a palindrome -

Let's try the complete example. Here, our string is "Level", which will give the same result when inverted.

Example

using System;
namespace Demo {
   class Program {
      static void Main(string[] args) {
         string string1, rev;
         string1 = "Level";
         char[] ch = string1.ToCharArray();

         Array.Reverse(ch);
         rev = new string(ch);

         bool b = string1.Equals(rev, StringComparison.OrdinalIgnoreCase);
         if (b == true) {
            Console.WriteLine("String " + string1 + " is a Palindrome!");
         }else {
            Console.WriteLine("String " + string1 + " is not a Palindrome!");
         }
         Console.Read();
      }
   }
}

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