Beginning Java Programming

Course Outline

• Your first Java program
• How it all comes together
• A Java identifier
• Javadoc program
• The 52 keywords in Java

• Data types
• null literal
• String literals
• Resulting type of an arithmetic computation
• Primitive to primitive conversions
• Variables
• Decision Statements
• Loop statements
• Jump statements
• Arithmetic Operators
• Bitwise operators
• Relational operators

• Declaring a reference to an array
• Allocating heap space for the array
• Array initialization
• Unnamed (anonymous) arrays
• Length of an array
• An empty array
• How to dynamically grow an array
• Arrays of user-defined (class) types
• Arrays of String objects
• 2-dimensional arrays (array of arrays)
• How to copy an array
• Command line arguments

• Background
• Review of a program's data memory
• Instantiating classes
• Assigning class references
• Garbage Collection
• Methods
• Constructors
• Initialization and constructors
• this keyword
• Array of instances (other than type String)

• Access control
• Method invocation
• Getting out of the static habit
• Passing arguments into methods
• Returning references from methods
• Passing array references to and from methods
• Method chaining
• Nonstatic vs static method (a pontification)
• Overloading class methods
• Class statics (review)
• Static initialization block
• final keyword
• How to create enumerated types in Java

• Fundamentals of inheritance
• Access privileges of subclass methods regarding the members of its superclass:
• Changing accessibility of class members during inheritance
• final to prevent overriding
• final to prevent subclassing
• Constructors and inheritance
• super keyword
• Data hiding (shadowing)
• Method hiding (overriding)
• Method overloading
• Binding a superclass reference to a subclass object
• Polymorphism
• Which Java methods are polymorphic?
• Polymorphism from within a constructor
• A real-life example
• Abstract classes and abstract methods
• Method overloading with inheritance
• Object class
• finalize() method
• toString() method
• instanceof keyword
• User-defined to user-defined conversions
• equals() method
• Nested top-level classes

• Packages
• Naming conventions
• Creating a package
• Accessing a .class file from inside a package
• Avoiding the fully qualified class name
• classpath variable
• Interfaces
• Implementing an interface
• java.util.Enumeration
• An interface for sorting
• An interface to hold constants
• Inner classes

• Definition
• Exception classes
• Checked and unchecked exceptions
• 3 types of library exceptions
• User-defined exceptions
• Not catching an exception
• Catching an exception
• Throwing an exception
• Declaring exceptions that can be thrown
• finally keyword
• Example using a Stack class
• assert keyword
• Cloning

• java.lang.String
• java.lang.StringBuffer
• java.lang.Number
• Byte, Short, Integer, Long, Float, and Double
• java.lang.Character
• java.lang.Boolean
• java.lang.Runtime
• java.lang.System
• java.lang.Class

• Sets
• Lists
• Maps

• Background
• A program without threads
• A program using threads
• Overview of the methods
• Priorities and scheduling
• The first way to spawn a thread
• Second way to create a thread
• Starting the JVM
• Threads sharing methods
• Daemon threads
• stop() method
• Synchronization of threads
• synchronized keyword
• wait() method
• notify() method
• Synchronized block
• notifyAll() method

• Byte vs. character streams
• Predefined streams
• class java.io.Writer
• class java.io.PrintWriter
• class java.io.Reader
• class InputStreamReader
• class java.io.BufferedReader
• class java.io.FileOutputStream
• class java.io.FileInputStream
• How to stream objects
• How to communicate between threads
   

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