Monthly Archives: August 2013

Example Program – Armstrong Number


Below sample programs finds whether the given number is an Armstrong Number or not. An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. For example,

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Posted in JAVA

Example program to reverse a Number in Java


  package in.javatutorials; public class ReverseNumber { public static void main(String[] args) { System.out.println(“The reversed number is ” + reverse(1234)); } public static int reverse(int input) { int result = 0; int rem; while (input > 0) { rem =

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Posted in JAVA

Struts Internationalization Example


web.xml : <?xml version=”1.0″ encoding=”Shift_JIS”?> <!DOCTYPE web-app PUBLIC “-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN” “http://java.sun.com/dtd/web-app_2_3.dtd”&gt; <web-app> <servlet> <servlet-name>action</servlet-name> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class> <init-param> <param-name>config</param-name> <param-value>/WEB-INF/struts-config.xml</param-value> </init-param> <init-param> <param-name>debug</param-name> <param-value>2</param-value> </init-param> <init-param> <param-name>detail</param-name> <param-value>2</param-value> </init-param> <load-on-startup>2</load-on-startup> </servlet> <servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>login.jsp</welcome-file> </welcome-file-list>

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Posted in Struts 1.x

How to find count of duplicates in a List


There are many different ways to find out the duplicates in a List or count of duplicates in a List object. Three best ways have been implemented in the below sample class. I suggest to go with 2nd sample, when

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Posted in JAVA

How to Create a Thread Using Runnable Interface


In Java, a Thread can be created by extending to a Thread class or by implementing the Runnable Interface. In below example, I have tried to create the thread by implementing Runnable interface. package in.javatutorials; public class CreateThredByRunnable { public

Posted in JAVA

Threads Interview questions in Java


Thread concept is the most important topic for all the interviews. This post contains most important interview questions on Thread concepts. The answers for these questions will be covered in further posts. What is a thread ? What are the

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Mallikarjun Gunda

This is Mallikarjun Gunda, I am working as a software professional. Blogging is my Passion. This blog contains the posts on Java related technologies and programming languages. I am happy to share my knowledge through the blogs.

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