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Programming Techniques Programming technique is a way of * Unstructured programming, * procedural programming, * modular programming Unstructured Programming Usually, people start learning programming by writing small and simple programs consisting only of one main program. Here ``main program'' stands for a sequence of commands or statements which modify data which is global throughout the whole program. The main program directly operates on global data. It can be illustrated: This programming techniques provide tremendous disadvantages once the program gets sufficiently large. For example, if the same statement sequence is needed at different locations within the program, the sequence must be copied. This has lead to the idea to extract these sequences, name them and offering a technique to call and return from these procedures. Procedural Programming With procedural programming it is possible to combine returning sequences of statements into one single place. A procedure call is used to invoke the...

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