1. Chapter 25 - Beyond C & C++: Operators, Methods, and Arrays in Java Outline 25.1 Introduction 25.2 Primitive Data Types and Keywords 25.3 Logical Operators 25.4 Method Definitions 25.5 Java API Packages 25.6 Random Number Generation 25.7 Example: A Game of Chance 25.8 Methods of Class JApplet 25.9 Defining and Allocating Arrays 25.10 Examples Using Arrays 25.11 References and Reference Parameters 25.12 Multiple-Subscripted Arrays

5. 25.2 Primitive Data Types and Keywords (II)

8. 25.3 Logical Operators (II)

10. 25.3 Logical Operators (IV)

13. Logical-Operators.java (Part 1 of 2)

14. Logical-Operators.java (Part 2 of 2)

15. Program Output

20. SquareInt.java (Part 1 of 2)

21. SquareInt.java (Part 2 of 2) Program Output

23. 25.5 Java API Packages (II)

24. 25.5 Java API Packages (III)

25. 25.5 Java API Packages (IV)

26. 25.5 Java API Packages (V)

27. 25.5 Java API Packages (VI)

28. 25.5 Java API Packages (VII)

29. 25.5 Java API Packages (VIII)

31. RandomInt.java Program Output

32. RollDie.java (Part 1 of 2)

33. RollDie.java (Part 1 of 2) Program Output

39. Craps.java (Pat 1 of 5)

40. Craps.java (Pat 2 of 5)

41. Craps.java (Pat 3 of 5)

42. Craps.java (Pat 4 of 5)

43. Craps.java (Pat 5 of 5)

44. Program Output

46. 25.8 Methods of Class JApplet (II) First line of JApplet methods (descriptions Fig. 25.14) public void init() public void start() public void paint( Graphics g ) public void stop() public void destroy()

49. InitArray.java

50. Program Output

51. InitArray.java

52. Program Output

53. InitArray.java (Part 1 of 2)

54. InitArray.java (Part 2 of 2) Program Output

55. SumArray.java Program Output

56. StudentPoll.java (Part 1 of 2)

57. StudentPoll.java (Part 2 of 2) Program Output

58. Histogram.java

59. Program Output

60. RollDie.java (Part 1 of 2)

61. RollDie.java (Part 2 of 2) Program Output

65. InitArray.java (Part 1 of 2)

66. InitArray.java (Part 2 of 2) Program Output

67. y given as a character which will be stored as it is in the char type variable c. Code of the program : public class conversion{ public static void main(String[] args){ boolean t = true ; byte b = 2; short s = 100; char c = 'C'; int i = 200; long l = 24000; float f = 3.14f; double d = 0.000000000000053; String g = "string"; System.out.println("Value of all the variables like"); System.out.println("t = " + t ); System.out.println("b = " + b ); System.out.println("s = " + s ); System.out.println("c = " + c ); System.out.println("i = " + i ); System.out.println("l = " + l ); System.out.println("f = " + f ); System.out.println("d = " + d ); System.out.println("g = " + g ); System.out.println(); //Convert from boolean to byte. b = ( byte )(t?1:0); System.out.println("Value of b after conversion : " + b); //Convert from boolean to short. s = ( short )(t?1:0); System.out.println("Value of s after conversion : " + s); //Convert from boolean to int. i = ( int )(t?1:0); System.out.println("Value of i after conversion : " + i); //Convert from boolean to char. c = ( char )(t?'1':'0'); System.out.println("Value of c after conversion : " + c); c = ( char )(t?1:0); System.out.println("Value of c after conversion in unicode : " + c); //Convert from boolean to long. l = ( long )(t?1:0); System.out.println("Value of l after conversion : " + l); //Convert from boolean to float. f = ( float )(t?1:0); System.out.println("Value of f after conversion : " + f); //Convert from boolean to double. d = ( double )(t?1:0); System.out.println("Value of d after conversion : " + d); //Convert from boolean to String. g = String.valueOf(t); System.out.println("Value of g after conversion : " + g); g = (String)(t?"1":"0"); System.out.println("Value of g after conversion : " + g); int sum = ( int )(b + i + l + d + f); System.out.println("Value of sum after conversion : " + sum); } }