1. Java Programming: From Problem Analysis to Program Design, 4e Chapter 7 User-Defined Methods

5. Predefined Classes (continued) Java Programming: From Problem Analysis to Program Design, 4e

6. Java Programming: From Problem Analysis to Program Design, 4e Predefined Classes (continued)

7. Java Programming: From Problem Analysis to Program Design, 4e Predefined Classes (continued)

8. Java Programming: From Problem Analysis to Program Design, 4e Predefined Classes (continued)

9. class Character (Package: java.lang ) Java Programming: From Problem Analysis to Program Design, 4e

10. Java Programming: From Problem Analysis to Program Design, 4e class Character (Package: java.lang ) (continued)

11. Java Programming: From Problem Analysis to Program Design, 4e class Character (Package: java.lang ) (continued)

12. Syntax: Value-Returning Method Java Programming: From Problem Analysis to Program Design, 4e

16. Equivalent Method Definitions Java Programming: From Problem Analysis to Program Design, 4e public static double larger( double x, double y) { double max; if (x >= y) max = x; else max = y; return max; }

17. Java Programming: From Problem Analysis to Program Design, 4e

18. Java Programming: From Problem Analysis to Program Design, 4e

21. Java Programming: From Problem Analysis to Program Design, 4e The int variable num contains the desired sum to be rolled

23. Solution: isPalindrome Method Java Programming: From Problem Analysis to Program Design, 4e public static boolean isPalindrome(String str) { int len = str.length(); int i, j; j = len - 1; for (i = 0; i <= (len - 1) / 2; i++) { if (str.charAt(i) != str.charAt(j)) return false ; j--; } return true ; }

26. Solution: Largest Number Java Programming: From Problem Analysis to Program Design, 4e static Scanner console = new Scanner(System.in); public static void main(String[] args) { double num; double max; int count; System.out.println(&quot;Enter 10 numbers.&quot;); num = console.nextDouble(); max = num; for (count = 1; count < 10; count++) { num = console.nextDouble(); max = larger(max, num); } System.out.println(&quot;The largest number is &quot; + max); }

29. Void Methods with Parameters: Syntax Java Programming: From Problem Analysis to Program Design, 4e

30. Void Methods with Parameters: Syntax (continued) Java Programming: From Problem Analysis to Program Design, 4e

34. Reference Variables as Parameters: type String Java Programming: From Problem Analysis to Program Design, 4e

35. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e

36. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e

37. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e

38. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e String str = &quot;Hello&quot;; //Line 5

39. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e stringParameter(str); //Line 7

40. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e pStr = &quot;Sunny Day&quot;; //Line 14

41. Reference Variables as Parameters: type String (continued) Java Programming: From Problem Analysis to Program Design, 4e Variables before the statement in Line 8 executes

43. Java Programming: From Problem Analysis to Program Design, 4e

44. Java Programming: From Problem Analysis to Program Design, 4e

45. Java Programming: From Problem Analysis to Program Design, 4e

46. Java Programming: From Problem Analysis to Program Design, 4e

47. Java Programming: From Problem Analysis to Program Design, 4e

58. Scope Rules: Demonstrated Java Programming: From Problem Analysis to Program Design, 4e

59. Scope Rules: Demonstrated (continued) Java Programming: From Problem Analysis to Program Design, 4e

68. Java Programming: From Problem Analysis to Program Design, 4e Programming Example: Data Comparison (continued)