1 / 30

5-2 Two-Way Selection

5-2 Two-Way Selection. The decision is described to the computer as a conditional statement that can be answered either true or false. If the answer is true, one or more action statements are executed. If the answer is false, then a different action or set of actions is executed.

pattireilly
Télécharger la présentation

5-2 Two-Way Selection

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 5-2 Two-Way Selection The decision is described to the computer as a conditional statement that can be answered either true or false. If the answer is true, one or more action statements are executed. If the answer is false, then a different action or set of actions is executed. Topics discussed in this section: if…else and Null else Statement Nested if Statements and Dangling else Problem Simplifying if Statements Conditional Expressions Computer Science: A Structured Programming Approach Using C

  2. FIGURE 5-7if...else Logic Flow Computer Science: A Structured Programming Approach Using C

  3. Table 5-2 Syntactical Rules for if…else Statements Computer Science: A Structured Programming Approach Using C

  4. FIGURE 5-8 A Simple if...else Statement Computer Science: A Structured Programming Approach Using C

  5. FIGURE 5-9 Compound Statements in an if...else Computer Science: A Structured Programming Approach Using C

  6. FIGURE 5-10 Complemented if...else Statements Computer Science: A Structured Programming Approach Using C

  7. FIGURE 5-11 A Null else Statement Computer Science: A Structured Programming Approach Using C

  8. FIGURE 5-12 A Null if Statement Computer Science: A Structured Programming Approach Using C

  9. PROGRAM 5-3 Two-way Selection Computer Science: A Structured Programming Approach Using C

  10. PROGRAM 5-3 Two-way Selection Computer Science: A Structured Programming Approach Using C

  11. FIGURE 5-13 Nested if Statements Computer Science: A Structured Programming Approach Using C

  12. PROGRAM 5-4 Nested if Statements Computer Science: A Structured Programming Approach Using C

  13. PROGRAM 5-4 Nested if Statements Computer Science: A Structured Programming Approach Using C

  14. Note else is always paired with the most recent unpaired if. Computer Science: A Structured Programming Approach Using C

  15. FIGURE 5-14 Dangling else Computer Science: A Structured Programming Approach Using C

  16. FIGURE 5-15 Dangling else Solution Computer Science: A Structured Programming Approach Using C

  17. Table 5-3 Simplifying the Condition Computer Science: A Structured Programming Approach Using C

  18. FIGURE 5-16 Conditional Expression Computer Science: A Structured Programming Approach Using C

  19. Table 5-4 Examples of Marginal Tax Rates Computer Science: A Structured Programming Approach Using C

  20. FIGURE 5-18 Design for Program 5-5 (Part III) Computer Science: A Structured Programming Approach Using C

  21. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  22. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  23. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  24. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  25. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  26. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  27. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  28. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  29. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

  30. PROGRAM 5-5 Calculate Taxes Computer Science: A Structured Programming Approach Using C

More Related