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01: ♦ Q13 “12 Rules” for REST API design & development

These are more like rules to develop RESTFul web services as opposed to being the best practices. REST is an architectural style without any contracts or specifications. So, it is imperative to apply the following rules for better REST API design. #1. Write stateless RESTFul services This means each request…...

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Posted in API Design, Best Practice, Design Concepts, FAQs Java Web Services, Java Architect Interview Q&As, member-paid, WebService

♥ ♦ Can you list 10 JEE best practices from your experience?

Core Java best practices and JEE best practices can reveal a lot about your experience as a Java developer. Q1. Can you list 10 JEE best practices from your experience? A1. #1: Using datasources with JNDI lookups DataSources make the code more portable than using the DriverManagers. For the DriverManagers

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9 Java Data structures best practices

#1: Choose the right type of Java data structure based on usage patterns like fixed size or required to grow, duplicates allowed or not, ordering is required to be maintained or not, traversal is forward only or bi-directional, inserts at the end only or any arbitrary position, more inserts or

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Posted in Best Practice, Which Data Structure & WHy

Top 5 Core Java Exceptions and best practices

#1: ConcurrentModificationException Getting a ConcurrentModificationException when trying to modify (i.e. adding or removing an item) a collection while iterating. The following code throws a ConcurrentModificationException.

To avoid ConcurrentModificationException in a single-threaded environment, you can remove the object that you are working on with the iterator.

To Avoid ConcurrentModificationException…...

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10 Core Java Best Practices with an industry strength code sample

Best Practices is one of the key areas, and often you can impress your interviewers, peers, and code reviewers by applying the best practices to your code. If you are an interviewer, you can show a piece of code that is badly written, and ask for the recommendations as to…...

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♦ 5 Java unit testing interview Questions and Answers

Q1 Why use mock objects in unit testing? A1 Unit testing is widely accepted as a “best practice” for software development. When you write an object, you must also provide an automated test class containing methods by calling its various public methods with various parameters and making sure that the…...

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How will you go about improving on the following Java code?

Q1. How will you go about improving on the following code snippet that calculates the new balance based on the current balance, total debits, and total credits? Note: All amounts need to be positive values.

A1. Firstly, a good thing about the above code is that it uses the…...

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