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Introducing Arrays

Introducing Arrays. Defintion. An Array is a chain of elements of the same type. Examples: Days of the week Student marks What other examples can you come up with?. 0. Janie. Bobby. 1. Sally. 2. Joey. 3. Mary. 4. RowA. Example of a 1D Array. Mary is located in RowA[4].

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Introducing Arrays

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  1. Introducing Arrays

  2. Defintion • An Array is a chain of elements of the same type. • Examples: • Days of the week • Student marks • What other examples can you come up with?

  3. 0 Janie Bobby 1 Sally 2 Joey 3 Mary 4 RowA Example of a 1D Array Mary is located in RowA[4]

  4. Array examples • Var • myArray : Array[1..20] of Integer; • Questions • What is the name of this array? • How many elements are there? • What is the data type? myArray 20 Integer

  5. Two Dimensional Array: • 2D array stores variables in two dimensions. • A chess board is an example of a 2D array • A matrix is another name for this

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