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In computer science, a jagged array, also known as a ragged array, is an array of arrays of which the member arrays can be of different sizes and producing rows of jagged edges when visualized as output. In contrast, C-styled arrays are always rectangular.
Arrays of arrays in languages such as Java, PHP, Python (multidimensional lists), Ruby, C#.Net, Visual Basic.NET, Perl, JavaScript, Objective-C, Swift, and Atlas Autocode are implemented as Iliffe vectors.
Examples
In C#, jagged arrays can be created with the following code:
In C++/CLI, jagged array can be created with the code:
In Python, jagged arrays are not native but one can use list comprehensions to create a multi-dimensional list which supports any dimensional matrix:
References
Jagged array Wikipedia(Text) CC BY-SA