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Nikhil Nanivadekar

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Unlock the Power of Generative AIDevnexus 20252025-03-04
Generative pipeline that combines Amazon Bedrock, SageMaker, Ground Truth, Recognition, Comprehend, Lambda, Fargate and CDK produces image, live-image…
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Should I Upgrade my Java?Great International Developer Summit 20232023-04-25
JMH benchmarks use three forks, five warmups and five measurement iterations (15 total) and report ops/sec; results show Java 17 shows higher ops/sec for…
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Should I Upgrade My JavaDevnexus 20232023-04-04
JMH microbenchmarks run on a 4‑core i5 with 3 forks, 5 warm, 5 measurement show JDK 17 consistently delivers higher throughput than 8 and slightly beats 11…
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Should I Upgrade to Java 17?IntelliJ IDEA Conf 20222022-09-29
Benchmarks use JMH on a 4‑core i5 laptop and report throughput in ops/sec, claiming JDK 17 consistently beats 8 and 11 for map.put/get (integers) and at large…
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Rabbit MQ vs Kafka: When, Which, Where?Developer Summit 20202020-11-21
Compares concrete behaviors: Kafka acts as a transaction log backed by Zookeeper, keeps messages for replay via offsets, and requires increasing partitions to…
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Do It Yourself: CollectionsJetBrains Technology Day for Java 20202020-07-10
Extends Map to deliver two concrete collections: bag (MultiSet) counts occurrences per element and multimap (MultiValuedMap) maps keys to collections of…
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JetBrains Technology Day for Java 2020JetBrains Technology Day for Java 20202020-07-10
Nine short sessions show concrete tools, code and outcomes: Bootiful Testing demos Spring Boot test slices and Mockito based examples; Good Old Stream API…
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Getting Started with SparkDevnexus 20202020-02-19
Overview of Apache Spark basics with a live shell demo: downloads Spark Spark 2.2, opens the Spark shell, reads a local text file and reports 370,701 words…
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Getting Started with KafkaJfokus 20192019-02-04
Live demo builds a publisher and subscriber that run on simple hardware (demo uses one laptop, uploader promises Raspberry Pis) and shows topics with…
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Collections.compare:JDK, Eclipse, Guava, ApacheOracle OpenWorld 20172017-10-01
Compares JDK 8, Eclipse Collections, Guava and Apache Commons by implementing a deck-of-cards domain and measuring real code: creating an immutable list…
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Robots for the Kids in All of UsDevoxx US 20172017-03-21
Solves a 10x10 maze on a 64 MB EV3 running a Java/LeJOS JVM, loading a 14,000+ point graph into primitive int maps so the 12 MB JVM leaves ~2 MB free…
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Collections.compare(JDK, Eclipse, Guava, Apache...);Devoxx US 20172017-03-21
Compares JDK, Apache Commons, Guava, Eclipse Collections and JavaSlang using a deck‑of‑cards domain to measure real differences: building an immutable sorted…
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