C# Rectangular Array | 2D | GetLength | GetUpperBound | GetLowerBound | Methods | Demo

Veröffentlicht am: 24 März 2023
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MASTER C# Rectangular Array With this STEP-BY-STEP walkthrough covering 11 important topics with hands-on coding.
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C# Rectangular Array | 2D | Two Dimensional | Multidimensional | Matrix | GetLength | GetUpperBound | GetLowerBound | Methods | Demo (11 TOPICS, DEMO CODE)

I have covered everything you need to learn to work with C# Rectangular Array efficiently on your day-to-day job.

And I assure you if you watch all these short videos. You won’t need any other video/tutorial on these topics again.

C# Rectangular Array GetLength, GetUpperBound, And GetLowerBound Methods

What if I want to know the total number of elements in a Rectangular Array?

Ok, let me put it this way.

How do I know the total number of ROWS and COLUMNS in a Rectangular Array?.

The answer is simple; you got a GetLength method for that.

Here is the syntax.

Show arrayName.GetLength(dimensionIndex)

So, what’s the use of this GetLength method? Where do I have to use it?

Actually, this GetLength method is especially useful when you loop through all the elements of a specific dimension in the array.

Now all you have to do is pass the dimension index in this method.

And in return, this method will give you the length of a particular dimension.

The dimension index you use is 0 or 1.

0 is for ROWS and 1 for COLUMNS.

Let’s see the example.

Console.WriteLine(intArray.GetLength(0));
Console.WriteLine(intArray.GetLength(1));

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SLIDES

✅ What is a Rectangular Array?
✅ C# Rectangular Array Syntax

DEMO

✅ C# Rectangular Array Declaration and Initialization (3 by 2 Array)
✅ C# Rectangular Array with var keyword
✅ C# Rectangular Array Indexer Syntax
✅ C# Rectangular Array IndexOutOfRangeException
✅ Access Individual Rectangular Array Elements
✅ Update Rectangular Array Values
✅ C# Rectangular Array Initializer Syntax
✅ (0:00:04) C# Rectangular Array GetLength, GetUpperBound, and GetLowerBound Methods
❌ Accessing Rectangular Array values with for Loop (Outer & Inner Loops)

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