Structure Of Java Program

Java Language / Structure Of Java Program

Java program consists of 6 sections.They were

Section Name	Purpose
Documentation Section	Used to improve the readability of the program
Package Statement	Used to create a libraries (Classes and interfaces)
Import Statement	It is used to access the package methods, constructors e.t.c
Interface Section	Used to declare interfaces.
Class Definition	It is used to create classes
Main Method Class	Used to execute the classes / Execution starts from this class.

Example

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

Explanation

Creating the program	Open note pad and save it with hw.java
Compiling	Javac hw.java
Executing the program	Java hw
Javac	Compiler
Java	Interpreter

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