Programming Methodology (1)

MODULE TEAM

Dr Aaron Kans Dr Sin Wee Lee

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Software and Programming

public class Game { Car f1; f1.spin(); } The set of instructions that tells a computer what to do is called a program

public class Game { Car f1; f1.spin(); } Software is the name given to a single program or a set of programs.

Application software is the name given to useful programs that a user might need.

System software is the name given to special programs that help the computer to do its job.

public class Game { Car f1; f1.spin(); } Programming is the task of writing instructions for the computer

public class Game { Car f1; f1.spin(); } These instructions have to be written in a special programming language.

public class Game { Car f1; f1.spin(); } Examples include: C++, Visual Basic, Pascal, Java.

public class Game { Car f1; f1.spin(); } Examples include: C++, Visual Basic, Pascal, Java.

Compiling Programs

COMPILER if (words > MAX) { System.out.print(); } program (source) code machine code Programmer Program user

PC COMPILER if (words > MAX) { System.out.print(); } program (source) code machine code Programmer PC user

MAC COMPILER if (words > MAX) { System.out.print(); } program (source) code machine code Programmer MAC user

Java Programming

JAVA COMPILER if (words > MAX) {System.out.print(); } program code JVM Java byte code Java Programmer

The TIOBE Programming Index (

Your first program

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } } Hello World public class Hello { } public static void main(String[] args) { } System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public Static void main(String[] args) { System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public Static void main(String[] args) { System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public Static void main(String[] args) { System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public static void main(String[] args) { System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public static void main(String[] args) { System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public static void main(String[] args) { } System.out.println("Hello world");

public class Hello { public static void main(String[] args) { System.out.println("Hello world"); } Hello World public class Hello { } public static void main(String[] args) { } System.out.println("Hello world");

Integrated development environment (IDE)

Type your programs here

Use these icons to compile and run you program

Compiler errors reported here

Your files shown here