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How to convert an array to comma separated string in java

package com.test; public class ArrayTest { public static void main(String[] args) {ArrayTest arrayTest = new ArrayTest();arrayTest.arrayJoin();} public void arrayJoin() { String[] arrayToJoin = {...

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Singleton Design pattern in JAVA

Below class depicts the Singleton design pattern. SingletonDesignPattern.java package in.javatutorials; /** * @author JavaTutorials * @version 1.0 * */ public final class SingletonDesignPattern { /** *...

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Replace special characters in a String using java

package in.javatutorials; /** * @author javatutorials * @since version 1.0 * * Below class replaces the special characters in a string with empty value * */ public class ReplaceSpecialCharacters {...

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What are the differences between DispatchAction and LookupDispatchAction in...

Dispatch Action LookupDispatchAction   It’s a parent class of  LookupDispatchAction Subclass of Dispatch Action DispatchAction provides a mechanism for grouping a set of related functions into asingle...

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What are the differences between SOAP WS and RESTful WS?

SOAP Web Services RESTfull Web Services The SOAP WS supports both remote procedure call (i.e. RPC) and message oriented middle-ware (MOM) integration styles. The Restful Web Service supports only RPC...

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Create a Dynamic web project using STS

Below steps explain the creating a dynamic web project using STS. Step 1 : Select File -> New -> Other. Step 2:  Select the Dynamic web project from the menu and click on Next button.   Step 3:...

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Create a java webservice using STS

Below steps explains the how to create a web-service in java in bottom-up approach using the STS(Spring tool suite) IDE. In the bottom-up approach, first we will create a template class, using the...

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Write a Client for web service

Below steps explains how to write a web service client in java using STS IDE. Step 1: Create a Java project using the steps mentioned here. Step 2: Generate the stubs for the Java web service using...

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Create a Java web service using top down approch

In the bottom up approach, we will write the java class and generates the WSDL file and other dependent components. The same will be deployed into the web containers. In Top down approach, Architects...

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Difference between sorted and ordered collection in hibernate

Below are the differences between Sorted collection and Ordered collection in Hibernate. sorted collection  order collection  A sorted collection is sorting a collection by utilizing the sorting...

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Avoid nested loops using Collection Framework in Java

It is very important to have high performance for any software implemented in any programming language. And, as per truth loops plays major role in building the high performance applications. In this...

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Access Specifiers in Java

An access specifier is a keyword that specifies how to access or read the members of a class or the class itself. There are four access specifiers in Java as mentioned below: private public protected...

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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...

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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...

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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) {...

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Javac/Java searching algorithm for other classes

With this post, I would like to explain how exactly the Java/Java will search for its dependencies in the project or application level. Java Applications can be run using the command line or in the...

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Bubble Sort Example in JAVA

package in.malliktalksjava; /** * @author malliktalksjava * */ public class BubbleSortExample { private static int[] input = { 4, 2, 9, 6, 23, 11, 44, 0 }; /** * @param args * main method to run the...

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Example Java Program to Search Files in a Folder

Below Java Program lists the file names and directory names available in given folder. To do this implementation , we can get the files list in a folder using File class available in Java API. Iterate...

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Example Program: Search Word in Folder files and print output

To Search a word in in list of files available in Folder, you need to find the list of files first and then scan each and every for required word. Below is the sample program to find the a given word...

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