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Calculations and expressions are only a small part of computer programming. Decision and control statements also are needed, to specify the order in which statements are to be executed. So far you have constructed linear programs , which are programs that execute in a straight line, one statement after another. In this chapter you will see how to change the control flow of a program with branching statements and looping statements . Branching statements cause one section of code to be executed or not, depending on a conditional clause . Looping statements are used to repeat a section of code a number of times or until some condition occurs. |
I l @ ve RuBoard |