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Thursday, July 31, 2014

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Abstract Class vs Interface in Java

Abstract Class and Interface are core part of Java. Whether to chose interface or abstract class is one of the design decision that eve... Read more »

Monday, July 28, 2014

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Check if two Strings are Anagram in Java

This question was asked from me in a written test of a top IT MNC company. But, the way of asking the question was different. This ques... Read more »

Sunday, July 27, 2014

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Find longest Palindrome in a String in Java

This question is asked from me in an interview. To find out the largest palindrome in a string, first we need to identify the logic. ... Read more »
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Difference between Trigger and Stored Procedure

Both, stored procedure and trigger are important object of database. So, in this article, I'll explain the subtle differences betw... Read more »

Friday, July 25, 2014

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Singleton Design Pattern in Java

Singleton is a part of Gang of Four design pattern and it is categorized under creational design patterns. From the definition, it s... Read more »

Thursday, July 24, 2014

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Different ways to implement Threads in Java

Java is a multithreaded programming language. A multithreaded program contains two or more threads that can run concurrently and can ha... Read more »

Wednesday, July 23, 2014

Why Quicksort is better than Mergesort

Why Quicksort is better than Mergesort

This question was asked me in one of the interview and this is one of the unique questions amon... Read more »
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How to merge two arrays in a single sorted array

This is question is one of those java interview questions that an interviewer may ask. Most of the time, an interviewer asks this que... Read more »

Tuesday, July 22, 2014

How HashMap works in Java

How HashMap works in Java

marketing This is one of the most common java interview questions. This question is g... Read more »
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Find out the repeated or duplicate element in an array in Java

marketing An interviewer asked me this question in an interview. There could be many ways, you can check if your array contai... Read more »
How to find loops or cycles in Linked List in Java

How to find loops or cycles in Linked List in Java

marketing In last few months, I have been gone through interviews in many IT MNC com... Read more »