When to use ConcurrentHashMap in Java | Key summary of ConcurrentHashMap | Java collection interview Question

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ConcurrentHashMap is best suited when you have multiple readers and few writers. If writers outnumber reader, or writer is equal to reader,...

Diffrence between Spring MVC and Struts MVC | MindMill Software Ltd interview question 2013

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Date of interview 21 Feb 2013 In technical round they asked to tell difference between Spring MVC and Struts MVC Spring is a powerful ...

Error Cannot find ActionMappings or ActionFormBeans collection , Cannot retrieve mapping for action in Struts 1.2.

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Cannot find ActionMappings or ActionFormBeans collection  , when he access the login.jsp of  the application deployed in WebSphere Applicat...

Generics in Java | How to write parametrized class and method in Java | java Generics interview Question answer

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Before to going start how write  parametrized class and method in Java . i would like to give some important fact about generic 1 . java g...

Java Clone() concept | how clone work in java | java clone interivew question answer

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First of all Java clone() method has given in Object class with below protected Object clone() throws CloneNotSupportedException...

Java interview question related Session listner, web services in MNC software company

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Below Few Java interview question asked at MNC software company 1. How can you count active sessions by using listeners in JAVA. we can...

Java Serialization concept | Most asked Serialization Interview Questions and Answers in MNC software company

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Java Serialization is very important topic in interview . in every java interview question in MNC software company i face java serializatio...