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How to capture index out of range exception in C#?
IndexOutOfRangeException occurs when you try to access an element with an index that is outsise the bounds of the array.
Let’s say the following is our array. It has 5 elements −
int [] n = new int[5] {66, 33, 56, 23, 81};Now if you will try to access elements with index more than 5, then the IndexOutOfRange Exception is thrown −
for (j = 0; j < 10; j++ ) {
Console.WriteLine("Element[{0}] = {1}", j, n[j]);
}In the above example, we are trying to access above index 5, therefore the following error occurs −
System.IndexOutOfRangeException: Index was outside the bounds of the array.
Here is the complete code −
Example
using System;
namespace Demo {
class MyArray {
static void Main(string[] args) {
try {
int [] n = new int[5] {66, 33, 56, 23, 81};
int i,j;
// error: IndexOutOfRangeException
for (j = 0; j < 10; j++ ) {
Console.WriteLine("Element[{0}] = {1}", j, n[j]);
}
Console.ReadKey();
} catch (System.IndexOutOfRangeException e) {
Console.WriteLine(e);
}
}
}
}Output
Element[0] = 66 Element[1] = 33 Element[2] = 56 Element[3] = 23 Element[4] = 81 System.IndexOutOfRangeException: Index was outside the bounds of the array. at Demo.MyArray.Main (System.String[] args) [0x00019] in <6ff1dbe1755b407391fe21dec35d62bd>:0
The code will generate an error −
System.IndexOutOfRangeException −Index was outside the bounds of the array.
Updated on: 20-Jun-2020
1K+ Views
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