C Language Basic to Advance Course > Derived Datatypes

2D Arrays

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An array of arrays can be defined as a two-dimensional array. The matrices that make up the 2D array are represented as a collection of rows and columns. 2D arrays, on the other hand, are used to build a data structure that resembles that of a relational database.

A two-dimensional array is identical to a one-dimensional array, except it looks like a grid (or table) with rows and columns. Horizontal and vertical reference numbers are used to reference positions in a two-dimensional array, much like a map.

C for Software Engineering:

  • A two-dimensional array is a collection of homogenous components that are arranged in a number of rows and columns. The term "matrix" refers to a collection of rows and columns. The elements and data are kept in a tabular format.

Accessing Elements in Two-Dimensional Arrays: Row and column indexes are used to access elements in two-dimensional arrays. Example: int x[2][1]; The element in the third row and second column is represented by the above example.

Use the new keyword, followed by a space, the type, the number of rows in square brackets, and the number of columns in square brackets to construct an array, such as this new int[numRows][numCols]. In a 2D array, the number of rows times the number of columns equals the number of elements.

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  1. Introduction to C Programming
    24m 32s
  2. How to use LearnVern
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  3. Assignment : Introduction to C
    3m 17s

  1. Setting up C Environment
    17m 24s
  2. First Program in C
    25m 16s
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    3m 50s

  1. Basic Syntax
    21m 44s
  2. Data Types in C Programming
    26m 19s
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    7m 38s
  4. Variables in C Programming
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  6. printf() and scanf() Functions
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    5m 24s
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  1. Declaration & Initialization of Arrays
    17m 30s
  2. Accessing Array Elements
    12m 33s
  3. Types of Arrays
    7m 27s
  4. 2D Arrays
    11m
  5. Multidimensional Arrays
    25m 9s
  6. Introduction to Pointers
    16m 36s
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    34m 18s
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    24m 3s
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  11. Working with Strings
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  12. Introduction to Structures
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  15. Union in C Programming
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  1. Typedef Function in C Programming
    10m 7s
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    2m 57s

  1. Overview of File Handling
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  1. Variable Arguments in User Defined Functioncs
    20m 2s
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    11m 34s
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    2m 58s

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    2m 28s

  1. Inbuilt Library Functions- Math.h Library
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    33m 58s
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    4m 31s

  1. Running and Debugging programs in C
    19m 18s
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    3m 41s

  1. Compilation and Execution
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  1. Advanced C Features: Macros
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  1. Printing a String
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  1. Course Summary
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