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Archive for August, 2015

How to create a DataSource in WebLogic Server 11g console.

In this post you will learn how to create a Datasource in the Weblogic server 11g console. To achieve this follow below steps: 1.  Login to Weblogic server console using http://<hostname>:<port>/console2.…

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Configure Oracle DataSource in Tomcat

Here is the procedure, how to configure Oracle datasource in Tomcat and lookup the same.      1. Get Oracle driver Download Oracle driver from here and copy it to $TOMCATlib…

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Get Current Date using Java

Below code give current date in String. import java.text.DateFormat;import java.text.SimpleDateFormat;import java.util.Calendar; public class CurrentDate {    public CurrentDate() {        super();    }     public static void main(String[] args) {        DateFormat dateFormat =…

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Current Date in GregorianCalendar using java

Code snippet that will give Current date in GregorianCalendar format: import java.util.GregorianCalendar;import javax.xml.datatype.DatatypeConfigurationException;import javax.xml.datatype.DatatypeFactory;import javax.xml.datatype.XMLGregorianCalendar; public class CurrentDate {    public CurrentDate() {        super();    }     public static void main(String[] args)…

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Java Jndi datasource lookup

JNDI style is typical when using an application server(Weblogic, JBOSS) or a web container(Apache Tomcat). Here’s a example of the lookup Datasource created in Server. import java.sql.Connection;import java.sql.SQLException;import javax.naming.Context;import javax.naming.InitialContext;import…

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Get Oracle DB connection using Oracle driver

Here is an example to connect Oracle DB using Oracle driver. 1) Download Oracle JDBC Driver Download Oracle JDBC Driver from  here 2) set classpath of the above jar 3)…

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Difference between Sun JDK And Oracle JRockit

This is very important to know, which jdk is better than and which one to use. Below are some basic difference between Sun JDK and Oracle JRockit. As we know,…

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Map Interface in Java

import java.util.HashMap;import java.util.Iterator;import java.util.Map;import java.util.Map.Entry;import java.util.Set; public class MapImplementation {    public MapImplementation() {        super();    }        public static void main(String args[]){        Map<Integer,String> map = new HashMap<Integer,String>();                // Addition of…

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Use of list, add elements and iterate

import java.util.ArrayList; import java.util.Iterator; import java.util.List; public class ListImplementation {     public ListImplementation() {         super();     }          public static void…

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