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But that’s impossible, or finding out that the JIT has broken your code.

Every now and then you look at some code and think that it cannot be possibly be wrong. Once you have ruled out a simple programmer screw up / enemy action in code (Make sure you read ...
java-interview-questions-answers

Declarative Linking in Jersey 2.9 and up

A couple of weeks ago A couple of months ago I was looking how I was going to engineers new REST API for an Oracle Cloud project. Once of the things I had planned to do was to use ...
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Quick, and a bit dirty, JSON Schema generation with MOXy 2.5.1

So I am working on a new REST API for an upcoming Oracle cloud service these days so one of the things I needed was the ability to automatically generate a JSON Schema for the bean ...
java-interview-questions-answers

Transparent PATCH support in JAX-RS 2.0

The PATCH method is one the the less well loved HTTP methods simple because until recently there really wasn’t a standard PATCH format. This has been standardized for JSON for ...
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Selecting level of detail returned by varying the content type, part II

In my previous entry, we looked at using the feature of MOXy to control the level of data output for a particular entity. This post looks at an abstraction provided by Jersey 2.x that ...
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Post-hoc tracing using a debugger

Once nice little features of most debuggers that I have been exercising recently is the ability to log information on a breakpoint. This can be a really useful was to understand code ...
java-interview-questions-answers

Lambda, will it serialize?

So I have been ponder an enhancement required on the Tyrus project that would allow a user to broadcast to a subset of client connected to a URL across a cluster of machines. There ...
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Write an auto-debugger to catch Exceptions during test execution

Previously I have stated that there are some exceptions you would always want to keep an debugger breakpoint on for. This help prevents code rotting away without you noticing – ...
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Almost named method arguments in JDK 8

Sometimes it would be really nice to have named method parameter in Java, this doesn’t look likely for a long while but there is always another little work around, for example ...
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Persistent breakpoints every java developer should have

When a developer is working in Java there are a few failure cases you always want to know about even if you were trying to debug something else. Here is a list of the persistent breakpoints ...
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