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Hari Gottipati

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Top Stories by Hari Gottipati

If you've ever used JNI, you know how to manage the primitive data types between Java and the native language. As you delve into JNI, particularly when developing a Java API on top of a native API, you need to know how to manage the objects between Java and the native language. This article takes you to the next level and walks you through the step-by-step process of managing the objects between Java and C. Why JNI Platform independence and flexibility are the popular buzzwords in the industry and programmers want to prune their code. Everyone wants to program in their favorite language, unfortunately you can't always stick to your selection, as some components of an application have to be programmed in a completely different language or some components are only available in a different language. The solution to these situations is JNI. The Java Native Interface (J... (more)

Java in the Cloud

Cloud Computing on Ulitzer This Wednesday I gave a presentation on 'Java in the Cloud' at Phoenix Java User Group and lot of people attended it. I was thrilled with the interest in cloud and great to see cloud enthusiasts here in Phoenix. Lot of people asked for the presentation slides and here it is below - embedded: ... (more)

With iBeacon Apple Is Going to Dump on NFC & Embrace The Internet of Things

I wrote a guest post for GigaOm on iBeacons in which I detailed how Apple is going to embrace Internet of Things and dump NFC. I also detailed about significance of iBeacons in indoor location based services and in-store marketing. Google is betting on NFC, but Apple is moving forward with iBeacons. Here is the Gigaom post - With iBeacon, Apple is going to dump on NFC and embrace the internet of things.   Nor did Apple say anything about it during the iPhone event Tuesday. But I'm sure this is going to be a big deal, and startup companies like Estimote agree, announcing its sup... (more)

iBeacon - Common Misconceptions

I am frequently hearing couple of misconceptions about iBeacons and I just want to clear those in this post. Misunderstanding 1 - I understand a iBeacon device transmitting standardized coupons. But how does the iBeacon device transmit customized offers? How will iBeacon device be enabled / connected to recognize a customer / his preferences and then send relevant offers? Can the iBeacon tag be programmed to relay some identification back to the server to enable BLE tag to offer something customized? iBeacon cannot transmit any offer/data other than constantly emitting a signal... (more)

Graal, a Dynamic Java Compiler in the Works

Graal is a compiler in Java that will work with Hotspot VM and Maxim VM. Currently the team (Oracle labs VM research team) is focused on integrating it into Hotspot VM and the effort is known as Graals VM. It's a new project to explore implementing a dynamic compiler in Java that can be used in a native JVM such as HotSpot as well as in a meta-circular JVM such as Maxine VM. The Graal compiler allows Java libraries to extend their functionality to support customizations. For example, it enables custom optimization phases that we cannot achieve with the traditional Java compilers... (more)