11.3- Random Access Files

Writing and reading random access files

11.2- Binary Files

Reading & writing binary files (also appending)

10.6- Interfaces Part 2

Polymorphism with interfaces; implementing multiple interfaces

10.6- Interfaces Part 1

Creating interfaces

10.2- Overriding; Protected; Chains of Inheritance

Overloading methods; protected access modifier; chains of inheritance

2.1 Opening Eclipse for Hello World

First Java program, written with Eclipse

2.2- Java Code to Byte Code (.java to .class)

Explore the differences between java code (.java) and byte code (.class)

2.3- Data Types

Learn about int, double, char, boolean

2.4- Arithmetic Operations

Adding, subtracting, multiplying, dividing (be careful!), exponents, square roots, and combined operations

2.5- Converting And Casting

Different data types in the same statement

2.6 String Introduction

Concatenating Strings and some String methods

2.7- Final (for creating constant values)

Values that won't change during the program

2.8- User Input from Keyboard Using Scanner Object

Using a Scanner object to get user input from the keyboard

2.9- Dialog Boxes (JOptionPane)

Using dialog boxes to display information and get information from users

2.10- Convert Strings to Numbers

Use Integer.parseInt( ) and Double.parseDouble( ) to get int or double data out of a String

3.1- If Introduction

Using if; if-else, if-else if

3.2- Operators &&, ||, !

Using comparison operators - and ( && ), or ( || ), not ( ! )

3.3- String Comparisons

Using .equals( ); .equalsIgnoreCase( ); .compareTo( ); .compareToIgnoreCase( )

3.4- Switch statement

Using switch as a choice/decision structure

4.1- Increment and Decrement

Increment (increase by 1 with ++) and decrement (decrease by 1 with --)

4.2- While Loops

Creating while loops- these are post-test loops

4.3- Do-While Loop

Creating do-while loops - these are post-test loops

4.4- For Loops

Creating for loops - these are counter-controlled, pre-test loops

4.5- Break & Continue Statements

Using break to exit a loop; using continue to end current iteration of loop

4.6- File Writing

Writing to files

4.7- File Appending

Appending (adding to) a previously created file

4.8- Reading From Files

Reading data from files

4.9- File Opening- Does the file already exist?

Using .exists( ) before attempting to open a file

4.10- Analyzing File Data

Looping through data in a file and using the .charAt( ) method. This example uses a text file from http://bowerpower.net/compprog2/javach04/WinnieThePooh.txt

4.11- Random Numbers

Generating random numbers (double and int)

5.1- Method Introduction

First look at writing methods

5.2a- Passing Arguments to Methods- Part 1

Sending information (arguments) to a method

5.2b- Passing Arguments to Methods- Part 2

More examples of passing arguments to methods; exploring passing by value

5.3- Returning Values from Methods

Exploring value-returning methods- they send back something

6.1- Class Creation- Part 1

Introduction to creating classes- first look at attributes (fields/instance variables) and methods

6.2- Class Creation- Part 2

Creating methods vs. creating more variables; writing toString( ) methods

6.3- Class Creation- Part 3- Constructors

Constuctors in a Java class

6.4- Class Creation- Part 4- Passing Objects, Javadoc and UML

Passing objects to methods; creating web pages with javadoc; UML diagrams

7.1- Array Introduction

Declaring and using arrays; enhanced for loops

7.2- Arrays... More Stuff

Making a reference to an array and creating an array in one step; good & bad ways to copy arrays

7.3- Array Methods

What happens when we pass arrays to methods?

7.4- Two-Dimension Arrays (Part 1)

The rows & columns of two-dimension arrays

7.5- Two-Dimension Arrays (Part 2)

Entering data for 2-dimension arrays; calculating sums of all the elements in a 2-dimension array; calculating the sums of rows and columns.

7.6- ArrayList

Using an ArrayList for a collection of objects. An ArraylList can increase or decrease in size.

7.7- Sequential Search

Searching an array from the first element to the last element (one element at a time)

8.1- Static Fields & Methods

Creating and using static fields (variables) and methods in a class

8.2- Creating .equals( ) method

Overwriting the .equals( ) method with your own .equals( ) method that compares all the characteristics of two objects (Dogs, in this example)

8.3- Copy constructor, .copy( ) method, & Chaining Constructors

Creating copy constructors, copy( ) methods, and linking one constructor to another

8.4- Enumerated Types

Using enumeration - a list of named constant values

9.1- Wrapper Classes