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Hi JAVA is a ocean, so as you have going to shown 2+ years of experience you must have The above site is managed by Arul Kumaran, who is well known author for his book Java / J2EE, . Hitesh Kumar, CEO & Founder at Sitesbay. com. Java/J2EE Job Interview Companion [Arulkumaran Kumaraswamipillai, Sivayini Arulkumaran] on *FREE* shipping on qualifying offers. + Java/ J2EE Interview questions with clear and concise answers for: job Anuj Kumar. View Arul kumar’s profile on LinkedIn, the world’s largest professional community. Arul has 4 jobs listed on their profile. GWT, Java and J2EE Developer.

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Which object oriented Concept is achieved by using overloading and overriding? Initialization method called only once by the browser. It lets you leverage aarul collective experience of the development community.

Creating a new instance is rather expensive.

The hierarchy diagram is shown below. When to use an interface?: Aruk are you leaving your current position? If you happen to be in an interview with an organization facing serious issues with regards to their Java application relating to memory leaks, performance problems or a crashing JVM etc then you are likely to be asked questions on these topics.

However, information in this book is sold without warranty either expressed or implied.

Arun Kumar _ Java 5_J2EE Interviews Questions and Answers

It is also filled with career-making tips and advice. Overriding the Object class may seem simple but there are many ways to get it wrong, and consequence can be unpredictable behavior.

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Let us look at the class loaders created by the JVM. If you jav a class in a package, what do you need to do to aril it? Java – Fundamentals 17 Q. The method calculateInterest … has its specific implementation in its own class. Explain the Java Collections Framework? It is designed to adapt to an evolving environment.

200 LATEST JAVA interview Questions pdf arul kumar

Instead Java supports multiple interface inheritance, which allows an object to inherit many method signatures from different interfaces with the condition that the inheriting object must implement those inherited methods. In the following example the methods deposit … and withdraw … share arl same piece of code in AccountHelper class. For example the paint and actionPerformed methods are automatically executed in the eventdispatching thread. So care should be taken not to unintentionally expose the collection fields to the caller.

R equ est Servlet Browser 4.

LATEST JAVA interview Questions pdf arul kumar

Can an Interface extend another Interface? A reference to the existing String object is returned.

If 2 objects are equal, then their hashCode values must xrul equal as well. Let us look at some of the key benefits: Such as OutOfMemory error.

What are the benefits of IoC aka Dependency Injection? The batch process, which used to take hours to complete, had increased to hours, which obviously started to adversely affect the daily operations of these stores.

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Arun Kumar _ Java 5_J2EE Interviews Questions and Answers – Free Download PDF

Describe a situation in which you had to collect information by asking many questions of several people? Yes, a double value can be cast to a byte. You should come across as you are more keen on technical challenges, learning a new piece of technology, improving your business skills etc as opposed to coming across as you are only interested in money.

So aggregation has a weaker relationship. Refer Q10 in Java section.

Where do you see yourself in years? No in this case the finally block will not execute because when you say System. What is design by contract? What is the difference between a Arkl and a Frame?

Also try to be humorous to show your smartness. My blog compliments my books listed here. Next years to become a solution designer srul an architect.

An applet extends java. XML messaging Refer Enterprise — JMS subsection in Enterprise section to communicate between other applications sharing the same database or separate databases to determine when the cache should be refreshed. What can I do to keep you here? You can have more control by writing your Comparator class.