Blog Archives

♥ ♦ 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

Read more ›

Posted in Best Practice
Tags:

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

Read more ›

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…...

Members Only Content

This content is for the members with any one of the following paid subscriptions:

30-Day-Java-JEE-Career-Training, 90-Day-Java-JEE-Career-Training, 180-Day-Java-JEE-Career-Training, 365-Day-Java-JEE-Career-Training, 60-Day-Java-JEE-Career-Training and 2-Year-Java-JEE-Career-Training

Want to evaluate the quality of the contents to see if they will add value to you?

Click Here and check the contents with Try.

Log In | Register
Posted in Best Practice, Exception Handling, Exceptions, member-paid
Tags:

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…...

Members Only Content

This content is for the members with any one of the following paid subscriptions:

30-Day-Java-JEE-Career-Training, 90-Day-Java-JEE-Career-Training, 180-Day-Java-JEE-Career-Training, 365-Day-Java-JEE-Career-Training, 60-Day-Java-JEE-Career-Training and 2-Year-Java-JEE-Career-Training

Want to evaluate the quality of the contents to see if they will add value to you?

Click Here and check the contents with Try.

Log In | Register
Posted in Best Practice, member-paid
Tags:

♦ 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…...

Members Only Content

This content is for the members with any one of the following paid subscriptions:

30-Day-Java-JEE-Career-Training, 90-Day-Java-JEE-Career-Training, 180-Day-Java-JEE-Career-Training, 365-Day-Java-JEE-Career-Training, 60-Day-Java-JEE-Career-Training and 2-Year-Java-JEE-Career-Training

Want to evaluate the quality of the contents to see if they will add value to you?

Click Here and check the contents with Try.

Log In | Register
Posted in Best Practice, Code Quality Job Interview Essentials, member-paid, Unit Testing Q&A

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…...

Members Only Content

This content is for the members with any one of the following paid subscriptions:

30-Day-Java-JEE-Career-Training, 90-Day-Java-JEE-Career-Training, 180-Day-Java-JEE-Career-Training, 365-Day-Java-JEE-Career-Training, 60-Day-Java-JEE-Career-Training and 2-Year-Java-JEE-Career-Training

Want to evaluate the quality of the contents to see if they will add value to you?

Click Here and check the contents with Try.

Log In | Register
Posted in Best Practice, Coding, member-paid

600+ Java/JEE Interview Q&As

open all | close all

200+ FAQs for Quick Java Interview Prep

open all | close all

16 Technical Key Areas to standout

open all | close all

80+ step by step Tutorials conducive to self-taught projects

open all | close all

100+ pre-interview coding tests

open all | close all

How good are your …..?

open all | close all