Can you override private method in Java? What will happen if you declare same private method i.e. with same name and same method signature to child cl http://java67.blogspot.com/2012/08/can-we-override-private-method-in-java.html
Couple of Spring core Interview questions collected from various Java JEE interviews. Since Spring framework has become de-facto framework for develop http://java67.blogspot.com/2012/08/spring-interview-questions-answers.html
Both Abstraction and Encapsulation are two of most useful object oriented basics, former allows you to view your system at higher level to increase fl http://java67.blogspot.com/2012/08/difference-between-abstraction-and-encapsulation-java-o...
One of the question frequently asked in Java interview is, Can we override static method in Java, or What will happen if we declare method with same n http://java67.blogspot.com/2012/08/can-we-override-static-method-in-java.html
Method overriding is one of the key concept of object oriented programming. Its instrumental in creating flexible code, which can mitigate the effect http://java67.blogspot.com/2012/08/what-is-method-overriding-in-java-example-tutorial.html
Simple introduction of key object oriented concept Inheritance for Java programmers. Inheritance not only allows code re-use but also facilitate polym http://java67.blogspot.com/2012/08/what-is-inheritance-in-java-oops-programming-example.html
Method Overloading is one of the fundamental concept of object oriented programming, also known as function overloading in some languages. It allows y http://java67.blogspot.com/2012/08/what-is-method-overloading-in-java-example.html
String and StringBuffer are two classes which is used to represent text data, with one key difference. String is immutable in Java while StringBuffer http://java67.blogspot.com/2012/08/difference-between-string-and-stringbuffer-in-java.html
Package is a way to organize your code in Java, it provides structure and support to separate functionalities at different place making maintenance ea http://java67.blogspot.com/2012/08/what-is-package-in-java-how-to-use.html
There are two common ways to use Thread class in Java, either by extending java.lang.Thread or implementing java.lang.Runnable interface, but there ar http://java67.blogspot.com/2012/08/what-is-thread-and-runnable-in-java.html
One of the simplest introduction of one of the most confusing concept in Java, Serialization; both custom and default Serialization. It has special u http://java67.blogspot.com/2012/08/what-is-serialization-in-java.html
Along with volatile variable, transient variables are some of the lesser known concept among majority of Java developers. It has special use during Se http://java67.blogspot.com/2012/08/what-is-transient-variable-in-java.html
volatile variable is a tricky concept to understand. Since its not a vis-a-vis alternative or replacement of synchronized keyword or locks, Java devel http://java67.blogspot.com/2012/08/what-is-volatile-variable-in-java-when.html
There are multiple ways to loop through ArrayList in Java, depending upon whether you want to loop through all elements or only some, you can either u http://java67.blogspot.com/2012/08/how-to-traverse-iterate-or-loop-ArrayList-in-java-examp...
In this article, we are comparing two of the most common Collection classes HashSet and HashMap in Java. Fundamental difference between HashSet and Ha http://java67.blogspot.com/2012/08/difference-between-hashset-and-hashmap.html
Spring AOP and MVC notes(material) by Mr.SomaSekhar Reddy sir from NareshiTechnologies, Ameerpeta, Hyderabad.AOP(Aspect Oriented Programming) and MVC( http://javabynataraj.blogspot.in/2014/09/spring-aop-mvc-notes-by-mrsekhar-sir.html
HashMap is a class from java.util package and extends AbstractMap, implements Map,Cloneable and Serializable interfaces. HashMap contains Key,Value pa http://javabynataraj.blogspot.in/2014/09/javautilhashmap-in-detail-with-program.html
Singleton Design patter is a darling pattern of Java developers. Despite all its shortcoming of global state and testability issue, it is still one of http://java67.blogspot.com/2012/08/what-is-singleton-pattern-in-java.html
NoClassDefFoundError is the most dreaded error for any Java programmer which comes because a class which was available during compile time is not avai http://java67.blogspot.com/2012/08/what-is-noclassdeffounderror-in-java.html
Hashtable and HashMap are two of the most fundamental classes from Java Collections Framework. They both implement Map interface, earlier Hashtable us http://java67.blogspot.co.uk/2012/08/5-difference-between-hashtable-hashmap-Java-collectio...
Java beginners often confused between ConcurrentHashMap and HashMap. They tend to use CHM even when its not required and they use HashMap where its no http://java67.blogspot.com/2012/08/difference-between-hashmap-and-concurrentHashMap-java-c...