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t.alex
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re: Java's father says Oracle is “in the right”
t.alex   5/9/2012 12:30:00 PM
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Oracle wins already.. Patent is doing no good to the society but the commercial company.

EREBUS0
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re: Java's father says Oracle is “in the right”
EREBUS0   5/5/2012 7:40:24 PM
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I new this would happen when Oracle purchased the company. Oracle has NEVER been a user friendly company and I refuse to knowingly use any of its products.

cpns
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re: Java's father says Oracle is “in the right”
cpns   5/3/2012 11:23:02 AM
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@Embd SW netwk: No the *documents* are copyright. Using the documents to produce a compliant implementation is not breach of the document copyright. Purchasing the document alone *is* purchasing a licence to implement a compliant product. Copyright and patent are not the same thing, though they both deal with intellectual property. One is about original content, the other about original invention.

rick merritt
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re: Java's father says Oracle is “in the right”
rick merritt   5/2/2012 8:51:44 PM
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I'd love to hear a bit more about what are the specific technical goodies that make Dalvik superior to the Java VM. ...and analysis from objective s/w engineers about whether you believe it.

t.alex
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re: Java's father says Oracle is “in the right”
t.alex   5/2/2012 1:16:06 PM
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Yes, it is so. Java apps used to run on phones before but with little impression. Dalvik VM did improve a lot.

Neo10
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re: Java's father says Oracle is “in the right”
Neo10   5/2/2012 3:55:29 AM
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The google android site features a detailed video by it's engineer on what constitues the Dalvik VM and how it is different from JVM. I suppose google to have taken all necessary precautions to this effect.

cdhmanning
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re: Java's father says Oracle is “in the right”
cdhmanning   5/2/2012 3:31:04 AM
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Stack-based VMs have been around for a long time. For example, the UCSD Pascal suite of the 1970's used a VM called p-code and there were numerous other examples. Having worked on both p-code and JVMs, I struggle to see that the JVM has any huge leaps of invention past p-code beyond the addition of exception handling and garbage collection - features apparent in other VMs such as some LISP systems and postscript.

cdhmanning
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re: Java's father says Oracle is “in the right”
cdhmanning   5/2/2012 3:22:58 AM
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Ultimately the opinions of an engineer have no bearing on the matter. All that matters is the legal position. As for the Dalvik VM, there is a very valid technical purpose for such a thing. It is not just some attempt to wiggle off a legal hook. Dalvik can be implemented more efficiently than JVM on many architectures.

rick merritt
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re: Java's father says Oracle is “in the right”
rick merritt   5/1/2012 11:53:04 PM
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He is, with reservations.

t.alex
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re: Java's father says Oracle is “in the right”
t.alex   5/1/2012 10:41:53 PM
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Gosling should be protecting his own creation, favoring the 'Sun' side.

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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