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Core Java
Java FutureTask Example Program
Sometime back I wrote a post about Java Callable Future interfaces that we can use to get the concurrent processing…
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Core Java
Java Priority Queue (PriorityQueue) Example
We know that Queue follows First-In-First-Out model but sometimes we need to process the objects in the queue based on…
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Groovy
Escaping XML with Groovy 2.1
When posting source code to my blog, I often need to convert less than signs (<), and greater than signs…
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Core Java
DSL based approach to input Graph data in graph theory based java programs
Most of us have coded some programs which deal with graph theory algorithms like finding the shortest path between two…
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Enterprise Java
Log4j 2: Performance close to insane
Recently a respected member of the Apache community tried Log4j 2 and wrote on Twitter: @TheASF #log4j2 rocks big times!…
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Core Java
ArrayList Using Memory Mapped File
Introduction In-Memory computing is picking up due to affordable hardware, most of the data is kept in RAM to meet…
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Enterprise Java
Passivation and Activation of View Objects with Transient Attributes
Within passivation/activation cycle of application modules the framework passivates and activates view objects as well. Usually the framework saves information…
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Enterprise Java
Monitor full page, non AJAX, requests to be notified
Recently, working on new charts and chart “exporting service” in JSF, I’ve faced a quite common problem. When you execute…
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Enterprise Java
Getting started with the Neo4j Java Rest Binding (Heroku deployment)
Believe it or not, the last couple of days were my first attempt at using Neo4j’s Java Rest Binding. My…
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