Daniel Shaya

Daniel has been programming in Java since it was in beta. Working predominantly in the finance industry he has created real time trading and margin risk applications. He is currently a director at OpenHFT where we are building next generation Java low latency products.

Core Java
Daniel ShayaApril 21st, 2015
0 177
Dealing with Interruptions
I was just watching the VJUG interview with Heinz Kabutz which inspired me to write a post about Interruptions. By…
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Core Java
Daniel ShayaApril 8th, 2015
1 94
Java 8 Lambdas in One Line
If you understand this line, or better still can write this code you can pretty much say that you have…
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Core Java
Daniel ShayaApril 1st, 2015
0 492
ChronicleMap – Java Architecture with Off Heap Memory
My last post was written a couple of weeks ago and after some valid feedback I’d like to clarify a…
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Core Java
Daniel ShayaMarch 19th, 2015
6 1,164
Creating Millions of Objects with Zero Garbage
As noted in First rule of performance optimisation, garbage is the enemy of fast code. Not only can it destroy any sort…
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Enterprise Java
Daniel ShayaMarch 12th, 2015
9 456
Creating Web Services and a Rest Server with JAX-RS and Jetty
Creating a WebService in Java is remarkably easy. To add it to a ServletContainer and deploy it to an embedded…
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Software Development
Daniel ShayaMarch 11th, 2015
1 133
Take the IntelliJ Challenge!
It’s always a great idea to try and master the tools with which you work. I’m on a mission to…
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Core Java
Daniel ShayaFebruary 25th, 2015
0 202
Starting out with jHiccup
After writing my post on ‘How to detect and diagnose slow code in production’ I was encouraged by a reader…
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Core Java
Daniel ShayaFebruary 24th, 2015
4 225
Java 8 pitfall – Beware of Files.lines()
There’s a really nice new feature in Java8 which allows you to get a stream of Strings from a file…
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Core Java
Daniel ShayaFebruary 23rd, 2015
1 285
The Optimum Method to Concatenate Strings in Java
Recently I was asked this question – Is it bad for performance to use the + operator to concatenate Strings in…
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