1. Copyright © 2003 ProsoftTraining. All rights reserved. Sun Certified Java Programmer Exam Preparation Guide

2. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 1: Java Language Fundamentals

3. Objectives Identify correctly constructed source files, package declarations, import statements, class declarations, interface declarations and implementations, method declarations, variable declarations and identifiers State the correspondence between index values in the argument array passed to a main method and command-line arguments Identify all Java programming language keywords and correctly constructed identifiers

4. Objectives (cont’d) State the effect of using a variable or array element of any kind when no explicit assignment has been made to it State the range of all primitive data types State the behavior that is guaranteed by the garbage collection system Write code using methods of the java.lang.Math class

5. Java Source Files Java package and import statements class

6. Keywords Creating identifiers

7. Primitive Data Types Eight types –boolean, char, byte, short, int, long, float, double Literals –Boolean –Character –Integral –Floating-point –String

8. The Java main Method Must be defined within a class Must be defined as follows Public static void main(String [] args)

9. Variable Initialization Member variables Method local variables

10. The Math Class Math class methods

11. Garbage Collection Frees previously allocated heap space that is no longer needed Helps prevent most memory leaks

12. Summary Identify correctly constructed source files, package declarations, import statements, class declarations, interface declarations and implementations, method declarations, variable declarations and identifiers State the correspondence between index values in the argument array passed to a main method and command-line arguments Identify all Java programming language keywords and correctly constructed identifiers

13. Summary (cont’d) State the effect of using a variable or array element of any kind when no explicit assignment has been made to it State the range of all primitive data types State the behavior that is guaranteed by the garbage collection system Write code using methods of the java.lang.Math class

14. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 2: Java Modifiers

15. Objectives Declare classes, inner classes, methods, instance variables, static variables, and automatic variables making appropriate use of all permitted modifiers. State the significance of each of these modifiers both singly and in combination, and state the effect of package relationships on declared items qualified by these modifiers

16. Introduction to Java Modifiers Access modifiers Other modifiers

17. Classes Abstract classes Final classes

18. Methods Abstract methods Final methods Native methods Static methods Synchronized methods

19. Variables Final variables Static variables Transient variables Volatile variables

20. Static Initializers Free-floating blocks of code that are executed at the time a class is loaded

21. Summary Declare classes, inner classes, methods, instance variables, static variables, and automatic variables making appropriate use of all permitted modifiers. State the significance of each of these modifiers both singly and in combination, and state the effect of package relationships on declared items qualified by these modifiers

22. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 3: Flow Control in Java

23. Objectives Write code using if and switch statements Write code using all forms of loops, and state the values taken by loop control variables during and after loop execution Write code that makes proper use of exceptions and exception handling clauses, and declare methods and overriding methods that throw exceptions

24. The while Loop Simplest type of loop Executes a statement or code block continuously until some Boolean expression evaluates as false

25. The do Loop Special form of the while loop Guaranteed to execute at least once

26. The for Loop Allows you to initialize a variable and perform some iterative arithmetic on that variable, executing a loop until some Boolean condition evaluates to false Comma separators

27. The continue Statement Ends the current iteration of a loop and continues execution at the top of the loop

28. The break Statement Used to exit a loop prematurely

29. The if / else Statement Permits execution of a statement or code block only if some Boolean expression is true

30. The switch Statement Uses an integer value to select between multiple alternative threads of execution

31. Exceptions Errors Runtime exceptions Checked exceptions

32. Java Exception Class Hierarchy

33. Throwing Exceptions throws statement

34. Catching Exceptions try/catch block Using multiple catch statements Rethrowing exceptions finally block

35. Summary Write code using if and switch statements Write code using all forms of loops, and state the values taken by loop control variables during and after loop execution Write code that makes proper use of exceptions and exception handling clauses, and declare methods and overriding methods that throw exceptions

36. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 4: Operators and Assignments

37. Objectives Determine the result of applying any operator, to operands of any type, class, scope or accessibility, or any combination of these Determine the result of applying the Boolean equals(Object) method to objects of any combination of the classes java.lang.String, java.lang.Boolean and java.lang.Object

38. Objectives (cont'd) In an expression involving the operators &, |, &&, || and variables of known values, state which operands are evaluated and the value of the expression Determine the effect upon objects and primitive values of passing variables into methods and performing assignments or other modifying operations in that method

39. Introduction to Expressions Operators Operator precedence

40. Unary Operators The increment (++) and decrement (--) operators The plus (+) and minus (-) operators The Boolean complement operator (!) The bitwise inversion operator (~) The cast operator

41. Arithmetic Operators The multiplication (*) and division (/) operators The modulus operator (%) The addition (+) and subtraction (-) operators

42. Binary Shift Operators The left-shift operator (<<) The right-shift operator (>>) The unsigned right-shift operator (>>>) The right operand

43. Comparison Operators The equals method The instanceof operator Bitwise operators The and operator (&) The or operator (|) The exclusive-or operator (^)

44. Short-Circuit Operators Similar to bitwise operators Only applied to Boolean operands Always generate a Boolean result

45. Ternary Operator Requires three operands

46. Assignment Operators Methods and assignments

47. Summary Determine the result of applying any operator, to operands of any type, class, scope or accessibility, or any combination of these Determine the result of applying the Boolean equals(Object) method to objects of any combination of the classes java.lang.String, java.lang.Boolean and java.lang.Object

48. Summary (cont'd) In an expression involving the operators &, |, &&, || and variables of known values, state which operands are evaluated and the value of the expression Determine the effect upon objects and primitive values of passing variables into methods and performing assignments or other modifying operations in that method

49. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 5: Object Orientation

50. Objectives State the benefits of encapsulation in object- oriented design, and write code that implements tightly encapsulated classes and the "is a" and "has a" relationships Write code to invoke overridden or overloaded methods and parental or overloaded constructors Write code to construct instances of any concrete class

51. Objectives (cont'd) State the legal return types for any method given the declarations of all related methods in this or parent classes Write code that declares, constructs and initializes arrays of any base type using any of the permitted forms for both declaration and initialization For a given class, determine whether a default constructor will be created, and state the prototype of that constructor

52. Encapsulation Accessors Mutators Encapsulation

53. Encapsulation of the Book Class

54. Abstraction The process of developing classes in terms of their –Interfaces –Functionality Used to manage complexity

55. Method Overloading and Overriding Overloading –Defining several methods with the same name within a single class Overriding –Refining the functionality of a subclass by modifying a class method under certain circumstances The super keyword

56. Constructors Instantiating a class The this keyword Constructors and inheritance The super keyword and constructors

57. Inner Classes Member inner classes –Member access Static inner classes Method inner classes Anonymous inner classes

58. Arrays Array declarations Constructing arrays Initializing arrays

59. Summary State the benefits of encapsulation in object- oriented design, and write code that implements tightly encapsulated classes and the "is a" and "has a" relationships Write code to invoke overridden or overloaded methods and parental or overloaded constructors Write code to construct instances of any concrete class

60. Summary (cont'd) State the legal return types for any method given the declarations of all related methods in this or parent classes Write code that declares, constructs and initializes arrays of any base type using any of the permitted forms for both declaration and initialization For a given class, determine whether a default constructor will be created, and state the prototype of that constructor

61. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 6: Threads

62. Objectives Write code to define, instantiate and start new threads using both java.lang.Thread and java.lang.Runnable Recognize conditions that might prevent a thread from executing

63. Objectives (cont'd) Write code using synchronized, wait, notify and notifyAll to protect against concurrent access problems and to communicate between threads. Define the interaction between threads, and between threads and object locks Identify correctly constructed source files, package declarations, import statements, class declarations, interface declarations and implementations, method declarations, variable declarations and identifiers

64. Creating Threads Extending the Thread class Implementing the Runnable interface

65. Thread States Setting thread priority Yielding threads The suspended state The sleeping state The blocked state

66. Live Thread States

67. Thread Synchronization Controlling the flow of multiple simultaneous threads The synchronized keyword Monitors Synchronized code blocks The wait, notify and notifyAll methods Deadlock

69. Summary Write code to define, instantiate and start new threads using both java.lang.Thread and java.lang.Runnable Recognize conditions that might prevent a thread from executing

70. Summary (cont'd) Write code using synchronized, wait, notify and notifyAll to protect against concurrent access problems and to communicate between threads. Define the interaction between threads, and between threads and object locks Identify correctly constructed source files, package declarations, import statements, class declarations, interface declarations and implementations, method declarations, variable declarations and identifiers

71. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 7: The java.awt Package

72. Objectives Write code using component, container and layout manager classes of the java.awt package to present a GUI with specified appearance and resize behavior, and distinguish the responsibilities of layout managers from those of containers Write code to implement listener classes and methods; in listener methods, extract information from the event to determine the affected component, mouse position, nature and time of the event

73. Layout Managers Flow layout manager Border layout manager Grid layout manager Card layout manager GridBag layout manager

74. Events Event classes Event listeners Event enabling

75. Summary Write code using component, container and layout manager classes of the java.awt package to present a GUI with specified appearance and resize behavior, and distinguish the responsibilities of layout managers from those of containers Write code to implement listener classes and methods; in listener methods, extract information from the event to determine the affected component, mouse position, nature and time of the event

76. Copyright © 2003 ProsoftTraining. All rights reserved. Lesson 8: The Collections API

77. Objective Make appropriate selection of collection classes/interfaces to suit specified behavior requirements

78. Introduction to Collections Simple collections –Vectors –Hash tables Types of collections –Collection –List –Set –Map

79. The Collections API Java application programming interface that provides an extensible framework for creating data structures Using the Collections API

80. Summary Make appropriate selection of collection classes/interfaces to suit specified behavior requirements

81. Sun Certified Java Programmer Exam Preparation Guide Java Language Fundamentals Java Modifiers Flow Control in Java Operators and Assignments Object Orientation Threads The java.awt Package The Collections API