June 2024
Beginner
976 pages
16h 34m
English
Content preview from Visual Basic and Algorithmic Thinking for the Complete Beginner
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Chapter 25 Pre-Test, Mid-Test and Post-Test Loop Structures
25.1 The Pre-Test Loop Structure
The pre-test loop structure is shown in the following flowchart.
Let's see what happens when the flow of execution reaches a pre-test loop structure. If Boolean_Expression evaluates to True, the statement or block of statements of the structure is executed and the flow of execution goes back to check Boolean_Expression once more. If Boolean_Expression evaluates to True again, the process repeats. The iterations stop when Boolean_Expression, at some point, evaluates to False and the flow of execution exits the loop.
The Decision symbol (the diamond, or ...
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