Hibernate Hello World example using Annotation
In this tutorial we will write a CRUD application in Hibernate using Java 5 Annotation. For this we will use our previous tutorial Hibernate Maven MySQL hello world example (XML Mapping) as base and...
Java Tutorials, Tips & Tricks
How to iterate HashMap using JSTL forEach loop
JavaServer Tag library is one of the most used JSP tag library out there. I have used it almost in all of my JEE based projects. The best feature probably is the Iterator API...
Spring Roo: Saving/Retreving BLOB object in Spring Roo
After reading the excellent article titled Saving/Retreving BLOB object in Spring MVC/Hibernate immediately came to my mind: How would it be the process of recreating the same example but using Spring Roo. What would...
Java: Convert Exponential form to Decimal number format in Java
While working with Doubles and Long numbers in Java you will see that most of the value are displayed in Exponential form. For example : In following we are multiplying 2.35 with 10000 and...
Convert String to Enum Instance in Java
Recently while working in one of the requirement, I had to convert String values to Enum. I didn’t realize there is a simplest way of doing this. Here is the solution. Whenever an ENUM...
Creating Dynamic Web Project using Maven in Eclipse
[ad name=”AD_INBETWEEN_POST”] While using Maven as build tool in our project, I found it very difficult to create a Dynamic Web Project which supports Maven dependencies and can execute in Eclipse! I have seen...
Calculate Free Disk Space in Java using Apache Commons IO
As a Java developer, lot of times I have to play around with file system. Sometimes I have to copy files/directories from one location to another; sometimes have to process certain files depending on...
Java Tip: How to Sort Arrays in Java using java.util.Arrays class
Here is a small but very useful tip that every Java programmer should be aware of. Have you ever tried sorting arrays in Java? Well, java.util.Arrays class has built in method to make your...
Eclipse Tip: Add your own Code Template in Eclipse
If you are using Eclipse as your primary development IDE, then you may want to know about Code templates in Eclipse. Code templates are certain user defined (some are available by default) templates which...
Eclipse Tip: Hide Closed Projects in Eclipse Project Explorer View
Ever wanted to hide all those closed projects in eclipse? Well, here is a simple trick that you may not know already. Imagine your Eclipse workspace is filled with many projects that you created...