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Showing posts with label
Technical
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January 01, 2020
#Java8 Transform object into another type
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ALSO CHECK : Java 8 Interview Questions And Answers S ometimes we need to convert or cast or transform an object from one type to anothe...
January 11, 2019
#RxJava Part 5 : map() vs flatMap()
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ALSO CHECK : RxJava Tutorial What is the difference between map() and flatMap()? The map() method works well with Optional if the func...
#RxJava Part 4: Operators in RxJava
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ALSO CHECK : RxJava Tutorial A n operator is a function that takes one Observable as a source as its first argument and returns another ...
#RxJava Part 3 : from(), just(), range(), interval(), timer()
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ALSO CHECK : RxJava Tutorial Observable.from() Example In the below example, the from() method dissolves the list/array and emits each...
#RxJava Part 2 : Creating Observable, Observers and Subscribers
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ALSO CHECK : RxJava Tutorial Creating Observers and Subscribers While creating Observers and Subscribers, we need to override three met...
#RxJava Part 1
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ALSO CHECK : RxJava Tutorial Reactive Programming In reactive programming, we react to changes in the state instead of actually doing ...
May 07, 2017
#Part 8: Hibernate Interview Questions
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ALSO CHECK : Hibernate - Quick Guide Should all the mapping files of hibernate have .hbm.xml extension to work properly? No, having .h...
#Part 7: Hibernate Interview Questions ( N+1 problem)
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ALSO CHECK : Hibernate - Quick Guide What is N+1 SELECT problem in Hibernate? How to identify and resolve it? The N+1 query problem ha...
May 06, 2017
#Part 6: Hibernate Interview Questions
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ALSO CHECK : Hibernate - Quick Guide What is the purpose of Session.beginTransaction()? Hibernate keeps a log of every data exchange w...
#Part 5: Hibernate Interview Questions (Composite and Derived Identifiers)
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ALSO CHECK : Hibernate - Quick Guide Composite Identifiers Hibernate also allows us to define composite identifiers. FYI, a composite ...
#Part 4: Hibernate Interview Questions (Identifiers in Hibernate-JPA)
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ALSO CHECK : Hibernate - Quick Guide Generated Identifiers and Hibernate GeneratedValue Strategies Hibernate provides a couple of gene...
May 05, 2017
#Part 3: Hibernate Interview Questions (Mapping Relations)
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ALSO CHECK : Hibernate - Quick Guide How to achieve mapping in Hibernate? Association mappings are one of the key features of Hibernat...
#Part 2: Hibernate Interview Questions
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ALSO CHECK : Hibernate - Quick Guide What is the difference between save() , persist() an d saveOrUpdate methods of session object? ...
#Part 1: Hibernate Interview Questions
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ALSO CHECK : Hibernate - Quick Guide What is an ORM tool? Object-relational mapping (ORM) is a technique that convert the data betwee...
November 15, 2016
Java Annotations Interview Questions and Answers
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W hat are Java Annotations? Java Annotations were added to the java from JDK 5.They allow us to add metadata information into our source c...
April 06, 2016
#Java: Part 8-Core Java Interview Questions and Answers (Interface, final, finalize, finally)
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> > Part 7-Core Java Interview Questions and Answers (Generics) W hat is an interface and what are the advantages and disadvantage...
#Java: Part 7-Core Java Interview Questions and Answers (Generics)
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> > Part 6-Core Java Interview Questions and Answers (Wrapper classes, Static variables, methods and imports) What is Generics in ...
1 comment:
#Java: Part 6-Core Java Interview Questions and Answers (Wrapper classes, Static variables, methods and imports)
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> > Part 5-Core Java Interview Questions and Answers (Clone and Immutability) What are Wrapper classes? A wrapper class wraps (e...
#Java: Part 5-Core Java Interview Questions and Answers (Clone and Immutability)
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> > Part 4-Core Java Interview Questions and Answers (HashCode & equals()) What is a Cloneable interface and what all methods...
2 comments:
#Java: Part 4-Core Java Interview Questions and Answers (HashCode & equals())
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> > Part 3-Core Java Interview Questions and Answers W hen you are writing equals() method, which other method or methods you nee...
1 comment:
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