University of Central Florida Engineering Data Structures EEL 4851 - PDF document

University of Central Florida Engineering Data Structures EEL 4851 JAVA LABORATORY MANUAL (Revised edition, 2002) Maureen Murillo Avelino González

- 2 - EEL 4851 – Engineering Data Structures JAVA Laboratory Manual Introduction to Java – the Language................................................................................. 4 Chapter 1: Introduction to Java Programming ................................................................. 6 1. Creating a Java source file........................................................................................ 6 2. Compiling the source file ......................................................................................... 6 3. Running the application............................................................................................ 7 4. Understanding your "HelloWorld" application ........................................................ 7 4.1. Comments in Java code..................................................................................... 7 4.2. Defining a class. ................................................................................................ 7 4.3. The main method............................................................................................... 8 4.4. Using classes and objects. ................................................................................. 9 5. Writing your own program....................................................................................... 9 Chapter 2: Classes and Objects in Java .......................................................................... 11 1. Class definitions in Java ........................................................................................ 11 2. Defining data members in a Java class................................................................... 11 3. Constants in Java .................................................................................................... 13 4. Defining methods in a Java Class........................................................................... 13 5. The new operator ................................................................................................... 14 6. Constructors............................................................................................................ 14 7. Method Overloading............................................................................................... 15 8. Call-by-value and Call-by-reference ...................................................................... 15 Chapter 3: Control Structures and Memory Management in Java ................................. 17 1. Operators ............................................................................................................... 17 2. if/else – Selection structure ................................................................................... 17 3. switch – Selection structure................................................................................... 18 4. for – Repetition structure....................................................................................... 19 5. while – Repetition structure................................................................................... 19 6. do/while – Repetition structure ............................................................................. 19 7. Pointers and finalization of objects ....................................................................... 20 Chapter 4: Inheritance in Java ........................................................................................ 21 1. Extending a class ................................................................................................... 21 2. Inheritance of constructors .................................................................................... 22 3. Final classes and methods...................................................................................... 23 4. Abstract classes and methods ................................................................................ 23 5. Interfaces ............................................................................................................... 24 Chapter 5: Exception handling in Java........................................................................... 27 1. Exceptions in Computing ....................................................................................... 27 2. Exception in Java – the try block and the throw statement............................... 28 3. The catch block................................................................................................... 29 4. Predefined Exception classes.................................................................................. 30 5. Defining and using your own exception class........................................................ 31

- 3 - 6. Multiple throws and catches ........................................................................ 32 7. The finally block ........................................................................................... 32 8. Passing the buck ..................................................................................................... 33 Chapter 6: Streams and File I/O in Java......................................................................... 34 1. Writing to binary files ............................................................................................ 34 2. Reading from binary files....................................................................................... 35 3. Exception Handling with File I/O .......................................................................... 36 4. Checking properties of the files – The File class.............................................. 37 5. Writing to text files................................................................................................. 37 6. Reading from text files ........................................................................................... 38 Chapter 7: Non-Primitive Data Types in Java................................................................ 40 1. Arrays ..................................................................................................................... 40 2. Multidimensional Arrays........................................................................................ 42 3. Ragged Arrays........................................................................................................ 43 4. Vectors.................................................................................................................... 44 Chapter 8: Windows Programming in Java.................................................................... 47 1. Graphical User Interfaces (GUI) in Java................................................................ 47 2. Event-Driven GUIs in Java .................................................................................... 48 3. Adding components................................................................................................ 50 4. Layout manager...................................................................................................... 53 Chapter 9: Applets in Java.............................................................................................. 55 1. A simple applet: the HelloWorld applet................................................................. 55 2. Creating an HTML file........................................................................................... 56 3. An applet with GUI components............................................................................ 58 4. Understanding another applet................................................................................. 59 Chapter 10: Mutimedia in Java: Images, Animation and Audio.................................... 62 1. Images..................................................................................................................... 62 2. Animations ............................................................................................................. 63 3. Sounds .................................................................................................................... 65 Chapter 11: Visual J++ (based on version 6.0) .............................................................. 66 1. Creating a console application................................................................................ 66 2. Using the WFC I/O package................................................................................... 67 3. Creating a windows application ............................................................................. 67 4. Creating an applet................................................................................................... 70 Chapter 12: Simple Data Types in Java ......................................................................... 73 1. The Stack................................................................................................................ 73 2. The Queue .............................................................................................................. 75 3. The List................................................................................................................... 75 4. The Binary Search Tree.......................................................................................... 77