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What are the element types of jagged arrays in C#?

王林
Release: 2023-08-31 18:25:02
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C# 中交错数组的元素类型是什么?

A jagged array is an array of arrays, so its elements are reference types and initialized to null.

Let's see how to use a jagged array -

Declare a jagged array-

int [][] marks;
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Now, let's initialize it where marks is an integer consisting of 5 Array-

int[][] marks = new int[][]{new int[]{ 40,57 },new int[]{ 34,55 }, new int[]{ 23,44 },new int[]{ 56, 78 }, new int[]{ 66, 79 } };
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Now let’s see a complete example of jagged array in C# and understand how to implement it-

Example

Live Demonstration

using System;

namespace MyApplication {
   class MyDemoClass {
      static void Main(string[] args) {
         int i, j;
         int[][] marks = new int[][] {
            new int[] {
               90,
               95
            }, new int[] {
               89,
               94
            }, new int[] {
               78,
               87
            }, new int[] {
               76,
               68
            }, new int[] {
               98,
               91
            }
         };

         for (i = 0; i < 5; i++) {
            for (j = 0; j < 2; j++) {
               Console.WriteLine("marks[{0}][{1}] = {2}", i, j, marks[i][j]);
            }
         }
         Console.ReadKey();
      }
   }
}
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Output

marks[0][0] = 90
marks[0][1] = 95
marks[1][0] = 89
marks[1][1] = 94
marks[2][0] = 78
marks[2][1] = 87
marks[3][0] = 76
marks[3][1] = 68
marks[4][0] = 98
marks[4][1] = 91
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source:tutorialspoint.com
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