Recent questions under tag java

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What is the difference between notify() and notifyAll() in java?

posted Jan 25, 2018 by Jon Deck

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What is the purpose of toString() method in java ?

posted Jan 25, 2018 by Jon Deck

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How many ways we can create the string object in java?

posted Jan 25, 2018 by Jon Deck

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What gives Java its 'write once and run anywhere' nature?

posted Jan 25, 2018 by Frank Lee

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What is FutureTask class in java?

posted Jan 25, 2018 by Frank Lee

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What is atomic operation? What are atomic classes in Java Concurrency API?

posted Jan 25, 2018 by Frank Lee

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What are the improvements in Concurrency API in Java 8?

posted Jan 25, 2018 by Frank Lee

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What is the different between ResultSet and RowSet in java?

posted Jan 21, 2018 by Frank Lee

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What is the use of setFetchSize() and setMaxRows() statement in java?

posted Jan 21, 2018 by Frank Lee

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What are different types of ResultSet in java?

posted Jan 21, 2018 by Frank Lee

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What is the limitation of PreparedStatement in java and how to overcome it?

posted Jan 21, 2018 by Frank Lee

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What is the major advantage of external iteration over internal iteration in java?

posted Jan 19, 2018 by Jon Deck

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Why char array is preferred over string for storing password?

posted Jan 19, 2018 by Jon Deck

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How to Split String in java?

posted Jan 19, 2018 by Jon Deck

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What are different ways to iterate over a list in java?

posted Jan 18, 2018 by Ammy Jack

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What is String Pool in java?

posted Jan 18, 2018 by Ammy Jack

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Why String is popular HashMap key in Java?

posted Jan 18, 2018 by Frank Lee

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How to convert String to byte array and vice versa in java?

posted Jan 18, 2018 by Frank Lee

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What is String subSequence method in java?

posted Jan 18, 2018 by Frank Lee

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How can we integrate log4j in Struts2 application?

posted Jan 18, 2018 by anonymous

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In Java, What is the difference between Struts1 vs Struts2?

posted Jan 10, 2018 by anonymous

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Why java connection, statement and prepared statements are interfaces not classes ? What is/are the benefit(s)?

posted Dec 30, 2017 by anonymous

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What is the difference between Gradle and Maven in Java ?

posted Dec 29, 2017 by Parampreet Kaur

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Which collection classes provide random access of it’s elements?

posted Dec 20, 2017 by Jon Deck

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What is DispatcherServlet and ContextLoaderListener?

posted Dec 20, 2017 by Jon Deck

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What does super keyword do in java?

posted Dec 15, 2017 by Jon Deck

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How to sort a collection of custom objects in Java?

posted Dec 15, 2017 by Jon Deck

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What is the use of execAndWait interceptor in Struts2?

posted Dec 13, 2017 by Frank Lee

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What are the attributes of JSF data table tag?

posted Dec 13, 2017 by Frank Lee

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What is a render kit in JSF?

posted Dec 12, 2017 by Jon Deck

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What are the validator tags used in JSF?

posted Dec 11, 2017 by Jon Deck

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What are the benefits of data table tags in JSF?

posted Dec 11, 2017 by Jon Deck

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Write a method to calculate total Weight of a hill pattern in Java?

posted Dec 10, 2017 by Arindam Nath

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Can the JSF support multiple faces configuration files?

posted Dec 9, 2017 by Jon Deck

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What is the use of token interceptor in Struts2?

posted Dec 9, 2017 by Jon Deck

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What is marker interface in java?

posted Dec 8, 2017 by Jon Deck

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What is Java package and which package is imported by default?

posted Dec 8, 2017 by Jon Deck

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What is Aspect, Advice, Pointcut, JointPoint and Advice arguments in AOP (Aspect-oriented programming)?

posted Dec 6, 2017 by Gn Guruswamy

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What are the minimum configurations needed to create spring MVC application?

posted Dec 6, 2017 by Gn Guruswamy

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Java does not define which type modifier? [MCQ]

posted Dec 5, 2017 by anonymous

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What are different ways to create action classes in Struts2?

posted Dec 3, 2017 by Gn Guruswamy

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What is use of Hibernate Session merge() call?

posted Dec 3, 2017 by Gn Guruswamy

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What is type inference? Is type inference available in older versions like Java 7 and before 7?

posted Dec 1, 2017 by Jon Deck

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What is Spliterator in Java SE 8? Differences between Iterator and Spliterator in Java SE 8?

posted Dec 1, 2017 by Jon Deck

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What is difference between intermediate operations and terminal operations of Java 8’s stream API?

posted Nov 30, 2017 by Ammy Jack

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What are the two ways of binding supported by JSF?

posted Nov 27, 2017 by Jon Deck

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How can we get Servlet API Request, Response, HttpSession etc Objects in action classes?

posted Nov 27, 2017 by Frank Lee

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What are required configurations for JSF framework?

posted Nov 26, 2017 by Ammy Jack

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What is the use of namespace in action mapping in Struts2?

posted Nov 26, 2017 by Ammy Jack

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Java keywords are written in lowercase as well as uppercase. [MCQ]

posted Nov 24, 2017 by anonymous