Get Just Enough Programming Logic and Design PDF

By Joyce Farrell

ISBN-10: 1439039577

ISBN-13: 9781439039571

Locate precisely what you must grasp the basics of programming common sense with the concise simply enough PROGRAMMING good judgment AND layout, 2E. This exact, language-independent creation to programming common sense presents seven chapters all in favour of key programming and good judgment content material in a right away, effective structure that is helping you move throughout the material speedy. daily examples and transparent reasons in a streamlined presentation make this an ideal selection no matter if you don't have any earlier programming event. Twenty-five short new movies from the writer extend on and make clear issues, whereas new Debugging routines and a wealth of evaluation and programming routines in every one bankruptcy assist you hone your abilities. you should use this concise strategy by myself or as a better half ebook for fulfillment in any programming language path.

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When you continue beyond J, you reach the end of the flowchart. J Figure 2-25 third step Untangling Example 3, Figure 2-23 Untangling Example 3, first step G H? Figure 2-24 Untangling Example 3, second step CHAPTER 2 52 Understanding Structure Now you can turn your attention to the “Yes” side (the right side) of the condition tested in H. When you pull up on the right side, you encounter Question I. ) G No H? Yes In the original version of the logic in Figure 2-22, follow J I? the line on the left side of Question I.

Yes No Rinse dog stop Figure 2-2 Spaghetti code logic for washing a dog 33 CHAPTER 2 34 Software developers say that spaghetti code has a shorter life than structured code. This means that programs developed using spaghetti code exist as production programs in an organization for less time. Such programs are so difficult to alter that when improvements are required, developers often find it easier to abandon the existing program and start from scratch. Obviously, this costs more money. Understanding Structure You might be able to follow the logic of the dog-washing procedure in Figure 2-2 for two reasons: • You probably already know how to wash a dog.

Second, the computed value is stored in the calculatedAnswer memory location. Most programming languages allow a shorthand expression for assignment statements similar to the following: calculatedAnswer = originalNumber * 2 The equal sign is the assignment operator. It always requires the name of a memory location on its left side—the name of the location where the result will be stored. According to the rules of algebra, a statement like calculatedAnswer = originalNumber * 2 should be exactly equivalent to the statement in which the two sides are reversed: originalNumber * 2 = calculatedAnswer.

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Just Enough Programming Logic and Design by Joyce Farrell


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