Featured FREE Whitepapers

What's New Here?

java-interview-questions-answers

JPA 2 | Fetch Joins and whether we should use them

Introduction Recently I have been working with FETCH JOINS in JPA 2 to fetch the data eagerly from the Database and I learned quite a lot on why we should avoid using Fetch Joins in ...
java-logo

Java Garbage Collection Distilled

Serial, Parallel, Concurrent, CMS, G1, Young Gen, New Gen, Old Gen, Perm Gen, Eden, Tenured, Survivor Spaces, Safepoints, and the hundreds of JVM startup flags. Does this all baffle ...
groovy-logo

Enhanced Groovy-based JAR/Manifest Diff Tool

This brief blog post provides another Groovy script that provides simple differencing of two JAR (or WAR or EAR) files and their MANIFEST.MF files. It represents a combination of the ...
spring-interview-questions-answers

Spring @Bean and PropertyPlaceHolderConfigurer

I was recently stumped by what I thought was going to be a fairly straightforward implementation – Consider the following Spring Java based bean definition file ( @Configuration):                 package ...
scala-logo

Fake system clock pattern in Scala with implicit parameters

Fake system clock is a design pattern addressing testability issues of programs heavily relying on system time. If business logic flow depends on current system time, testing various ...
mongodb-logo

MongoDB Pro Tip: Field Projections

Did you ever learn that select * from table in RDBMS-land is bad? Of course, you did! If you’re only looking for the email address of a user and not the other 15 columns worth of ...
mongodb-logo

MongoDB Geo-Spatial Mobile Demo

Mongo: noun (pl mongo or mongos) – a monetary unit of Mongolia. Equal to one hundredth of a tugrik. Origin from Mongolian “silver” I’ve written about NoSQL DBMS [http://keyholesoftware.com/2012/10/01/is-nosql-the-sql-sequel/]. ...
java-logo

Java’s Reflection API

If you have ever asked yourself questions like these: – “How do I invoke a method, having only it’s name in a String?” – “How do I list all the attributes in a class ...
android-logo

Android Studio with android alternative emulator:Genymotion

Moving from Eclispe/ADT to Android Studio I was exploring some alternative configuration to improve my building environment. I came across a nice Android device emulator called Genymotion. ...
java-logo

Java 7 try-with-resources

Java 7 provides better resource management for resources that need to be closed when finished working with, for example files, streams, database connection and sockets. This language ...
Java Code Geeks and all content copyright © 2010-2014, Exelixis Media Ltd | Terms of Use | Privacy Policy | Contact
All trademarks and registered trademarks appearing on Java Code Geeks are the property of their respective owners.
Java is a trademark or registered trademark of Oracle Corporation in the United States and other countries.
Java Code Geeks is not connected to Oracle Corporation and is not sponsored by Oracle Corporation.
Do you want to know how to develop your skillset and become a ...
Java Rockstar?

Subscribe to our newsletter to start Rocking right now!

To get you started we give you two of our best selling eBooks for FREE!

Get ready to Rock!
You can download the complementary eBooks using the links below:
Close