How to Add User Authentication on Tomcat
1 Mins read
I have seen many people writing their own Login utilities for web application, which is like re-inventing the wheel. Tomcat supports user…
Securing your code: Techniques Beyond Java Obfuscation
3 Mins read
Reverse engineering Java classes is very easy and Obfuscation also can not stop anyone from reverse engineering your proprietary class. but it…
Sorting performance Arrays.sort() vs Collections.sort()
1 Mins read
Many developer are concerned about the performance difference between java.util.Array.sort() java.util.Collections.sort() methods. Which one is faster? Which one to use and when?…
Hacking By Reflection: Creating Multiple instance of a Singleton class
1 Mins read
Singleton.java implements a thread safe singleton instance creation for this class. Even if multiple threads are accessing this should create only one…
Hacking Java class: Calling private Constructor of Java class outside the class
1 Mins read
Here is a sample code by which you can hack and call the private constructor of a class using reflection. public class…
Hibernate vs iBATIS - Comparison of two powerful ORM tools
2 Mins read
Hibernate and iBatis both are open source Object Relational Mapping (ORM) tools available in the industry. Both of these tools are very…