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…
Struts 2 - AJAX Drop down Example
2 Mins read
Struts2 AJAX Drop down Example, struts2 ajax auto populate drop down, struts2 ajax auto select drop down, Struts2 AJAX Example, Struts2 AJAX…
About Me
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Welcome to FromDev.com, I am Sachin, a Electronics graduate, Web Developer & Linux user, who likes to share software knowledge with world….
20 Java Multi Threading Interview Questions & Answers for Developers
11 Mins read
A Java developer must know multi-threaded programming in java. It has been one of the reasons java is used in large-scale application…
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…