Developers Brain ( Programming is fun )

BigNumberOperations.java --------------------------------------------- package com.blogspot.developerssbrain; import java.math.BigDecimal; public class BigNumberOperations {     static BigDecimal factorial(int n){         BigDecimal fact=new BigDecimal("1");         while(n>0){             fact=fact.multiply(new BigDecimal(n));             n--;         }         return fact;     }         static BigDecimal febnocci(int n){         BigDecimal i=new BigDecimal("1");         BigDecimal j=new BigDecimal("1");         while(n-2>0){             j=j.add(i);             i=j.subtract(i);             n--;         }         return j;     }         public static void main(String[] args) {         //Factorial of 5         System.out.println("Factorial of 5");         System.out.println(factorial(5));         System.out.println();                 //Factorial of 300         System.out.println("Factorial of 300!!!");         System.out.printl

OuterClass.java ------------------------------------------------------------ package org.developerssolutions; public class OuterClass {     public void method(){         System.out.println("OuterClass.Method1");     }         class InnerClass{         public void method(){             System.out.println("OuterClass.InnerClass.Method1");         }         class InnerInnerClass{             public void method(){                 System.out.println("OuterClass.InnerClass.InnerInnerClass.Method1");             }         }     }     } Test.java ------------------------------------------------------------------------------- package org.developerssolutions; public class Test {     public static void main(String[] args) {         //Outer Class Object         OuterClass oc=new OuterClass();                 //Inner Class Objects         OuterClass.InnerClass ic=oc.new InnerClass();         OuterClass.InnerClass.InnerInnerClass oii=ic.new InnerInnerClass();    

Java program to print weather report Steps: 1.Download the WSDL file from the URL http://www.webservicex.net/globalweather.asmx?WSDL 2.Create a java project in Eclipse 3.Copy the WSDL file to java project 4.Expand the java project in Eclipse and right click on the WSDL file and generate webservice client 5.Rename the package name into your source folder to your desired name 6.Add the following Main Class to your package Main.java package org.susil.solutions; import java.io.IOException; import java.io.StringReader; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.CharacterData; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import org.xml.sax.SAXException; public class Main {     public static String getCharacterDataFromElement(Element e) {         Node child = e.getFirstChild(

Pre-requisite: Core Java Java web project knowledge SOAP based web service components Click here to download PDF file for steps