NPAC Java Language Examples

Java Language Basics
and Object-Oriented Concepts

These examples are simple ones illustrating basic language constructs of Java. These can all be compiled in either 1.1 or 1.2. Almost all of them are Java applications.

Java Language Basics

Variables, Types, and Standard Output: Sum.java
One-dimensional Arrays: Sumarray.java
Control Structures: GradeAverage.java
The Math Package: RollDice.java
Streams for standard input: GradeAvStr.java
Methods: VolumeStr.java
Recursive Methods: Factorial.java

Object-Oriented Concepts and Exceptions

Class Definition and Use: Account.java and Accounttest2.java
Child Class Definition and Use: Accountcmp.java and Accountcmptest1.java
Exceptions: AccountException.java and AccountTestException.java
Movable Objects: mPoint.java, mRectangle.java, mOval.java and mTriangle.java
Drawable Objects: Drawable.java, DrawablePoint.java, DrawablePolygon.java, etc.