Some differences between abstract class and interface in Java which helps to decide when to use abstract class and interface in Java. For example, int http://java67.blogspot.com/2012/09/what-is-difference-between-interface-abstract-class-jav...
Java 1.5 was one of the biggest release in Java. It introduce lot of useful features e.g. Enum, Generics, Autoboxing, Variable arguments and Static im http://java67.blogspot.com/2012/09/autoboxing-enum-generics-varargs-java-5-features.html
Action class is in heart of Struts MVC framework, this article gives brief overview of Action classes and different types of Action in Struts. http://java67.blogspot.com/2012/09/what-is-struts-action-class-in-java.html
CopyOnWriteArrayList was added in JDK 1.5 but not many programmer are aware of this handy implementation of List interface. It is very useful in concu http://java67.blogspot.com/2012/09/what-is-copyonwritearraylist-in-java-example-vs-arrayli...
Along with, multi-threading and design patterns, Collection framework is one of the most popular topic among Java interviews. No matter how much exper http://java67.blogspot.com/2012/09/java-collection-interview-questions.html
The full form of var-args is variable length arguments and this one of the java 1.5 features.Also we have some important autoboxing, generics,for-each http://javabynataraj.blogspot.in/2014/11/variable-argument-or-varargs-in-java.html
The CSV file is having multiple values to insert in perticular columns and rows in mysql database. Read more: http://javabynataraj.blogspot.com/2011/ http://javabynataraj.blogspot.in/2011/04/upload-csv-file-into-mysql-database.html
Every Java interview contains couple of tough questions, questions which is not heard of, focused on subtle concept or something which has surprise el http://java67.blogspot.sg/2012/09/top-10-tough-core-java-interview-questions-answers.html
Java 7 was not a major Java release like Java 1.5 or Java 8 but still it introduced lot of useful features like automatic resource management using tr http://java67.blogspot.sg/2012/09/what-is-new-in-java-7-top-5-jdk-7.html
Design patterns are very important from interview point of view but same time they also offer learning opportunity. This list is collection of some go http://java67.blogspot.sg/2012/09/top-10-java-design-pattern-interview-question-answer.html
Both TreeSet and HashSet implements Set interface but they are quite different to each other. In order to use them effectively, knowing difference bet http://java67.blogspot.in/2012/08/difference-between-hashset-and-treeset-java.html
Programming exercise for Java programmer, write a program to check if an integral number is palindrome or not. For example 121 is palindrome but 123 http://java67.blogspot.com/2012/09/palindrome-java-program-to-check-number.html
Does overloading of static method is allowed in Java? This is one popular questions during telephonic round of Java interviews. Since overriding of st http://java67.blogspot.com/2012/08/can-we-overload-static-method-in-java.html