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Java private, protected, public and default

You are a Java programmer, so you know what I am talking about. public modifiers make a method or field accessible from anywhere in the application. That is the simple part. But can ...
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Avoiding Null Checks In Java

One of the worst nightmares for java developers ( from junior to experts ) is null object reference checking. I’m pretty sure you have seen several times code like this:                   public ...
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Avoiding Many If Blocks For Validation Checking

There are cases that we want to validate input data before we send them to business logic layer for processing, computations etc. This validation, in most cases, is done in isolation ...
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Spring 4.1 and Java 8: java.util.Optional

As of Spring 4.1 Java 8’s java.util.Optional, a container object which may or may not contain a non-null value, is supported with @RequestParam, @RequestHeader and @MatrixVariable. ...
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How designing for the cloud would improve your service implementation

Cloud platforms come with a variety of options and constraints certainly driven by infrastructure and business needs which indeed diversify their pricing plans and customer adoption ...
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A beginner’s guide to JPA/Hibernate entity state transitions

Introduction Hibernate shifts the developer mindset from SQL statements to entity state transitions. Once an entity is actively managed by Hibernate, all changes are going to be automatically ...
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Keyword extraction and similarity calculation among textual content

Background Web applications are becoming smarter. Gone are the days when to avail a service from a website, user had to fill up a giant form. Let’s say, you have a website which is ...
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Clean JUnit Throwable-Tests with Java 8 Lambdas

Recently I was involved in a short online discussion on twitter and google+ which concerned the question why the arrival of Java 8 Lambda expressions makes the catch-exception library1 ...
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A closer look at Oracle IDM Auditing

Reporting is a vital functionality in any product which deals with sensitive information. Same applies to Identity & Access Management tools. Oracle IDM’s Auditing module acts ...
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Nightmare on Agile Street

I’m awake. I’m lying in my bed. I’m sweating but I’m cold. Its the small hours of the morning and the dream is as vivid as it is horrid…. I’m standing in a clients offices, ...
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