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01: 9 Java low latency interview questions & answers

Have you seen job advertisements requiring Java candidates to work in low latency, high throughput, real-time and distributed systems with share-nothing architectures? Wondering what questions you will be asked? If you are an experienced Java developer targeting high paying skills then it pays to get a good handle on Java low latency interview questions &

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02: 15 key considerations for low latency Java

Extends Writing low latency applications in Java interview Q&As. If the job description says “low latency” application, then be prepared. Even if “low latency” experience is not a requirement, all employers like candidates who can not only build systems that perform well, but also can stress test (e.g. … Read...

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03: Java GC tuning for low latency applications

This assumes that you have read the basics on Java GC at Java Garbage Collection interview Q&A to ascertain your depth of Java knowledge. This is a must know topic for those who like to work on low latency applications. Q1. In what ways does GC impact latency and throughput...

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03: Understanding Big O notations

Q. Have you seen job advertisements requiring Java candidates to work in real-time or high volume transaction processing systems? If you are applying for such jobs, you can be quizzed on Big O notation. Here are some basics to brush up on. … Read more ›...

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04: Java primitives & objects memory consumption

Q1. How much memory space does a primitive type int occupy in Java? A1. 4 bytes. Q2. Java objects get stored in the heap memory space, but how about the primitive variables? A2. … Read more ›...

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06: Capture throughput & latencies with “Metrics Core” tutorial

“Metrics Core” is a very handy framework to gather insights & tune performance of high-throughput and low-latency services. Here is a very simple core Java multi-threaded application that gathers metrics with this library. Step 1: Create a maven project Press enter for all prompts to use the default values. …...

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800+ Java Interview Q&As

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