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Testing Concurrent Applications

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This article is part of our Academy Course titled Java Concurrency Essentials. In this course, you will dive into the magic of concurrency. You will be introduced to the fundamentals of concurrency and concurrent code and you will learn about concepts like atomicity, synchronization and thread safety. Check it out here! Table Of Contents 1. Introduction 2. SimpleBlockingQueue 2.1. Test ...

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Fork/Join Framework

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This article is part of our Academy Course titled Java Concurrency Essentials. In this course, you will dive into the magic of concurrency. You will be introduced to the fundamentals of concurrency and concurrent code and you will learn about concepts like atomicity, synchronization and thread safety. Check it out here! Table Of Contents 1. Introduction 2. Fork/Join 2.1. RecursiveTask ...

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Performance, Scalability and Liveness

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This article is part of our Academy Course titled Java Concurrency Essentials. In this course, you will dive into the magic of concurrency. You will be introduced to the fundamentals of concurrency and concurrent code and you will learn about concepts like atomicity, synchronization and thread safety. Check it out here! Table Of Contents 1. Introduction 2. Performance 2.1. Amdahl’s ...

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The java.util.concurrent Package

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This article is part of our Academy Course titled Java Concurrency Essentials. In this course, you will dive into the magic of concurrency. You will be introduced to the fundamentals of concurrency and concurrent code and you will learn about concepts like atomicity, synchronization and thread safety. Check it out here! Table Of Contents 1. Introduction 2. java.util.concurrent 2.1. Executor ...

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Concurrency Fundamentals: Deadlocks and Object Monitors

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This article is part of our Academy Course titled Java Concurrency Essentials. In this course, you will dive into the magic of concurrency. You will be introduced to the fundamentals of concurrency and concurrent code and you will learn about concepts like atomicity, synchronization and thread safety. Check it out here! Table Of Contents 1. Liveness 1.1. A Deadlock 1.2. ...

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Introduction to Threads and Concurrency

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This article is part of our Academy Course titled Java Concurrency Essentials. In this course, you will dive into the magic of concurrency. You will be introduced to the fundamentals of concurrency and concurrent code and you will learn about concepts like atomicity, synchronization and thread safety. Check it out here! Table Of Contents 1. Basic know-how about threads 2. ...

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Java Concurrency Essentials Tutorial

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Course Overview Concurrency is always a challenge for developers and writing concurrent programs can be extremely hard. There is a number of things that could potentially blow up and the complexity of systems rises considerably when concurrency is introduced. However, the ability to write robust concurrent programs is a great tool in a developer’s belt and can help build sophisticated, ...

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Don’t Format Dates in SQL. Use the DATE Literal!

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I’m seeing people do this all the time. They want to hammer a date or timestamp constant into their SQL query, and the only function they know is the TO_DATE() or TO_TIMESTAMP() date parsing function: SELECT TO_DATE ('20150801', 'yyyymmdd') FROM DUAL; As observed in this Stack Overflow question, for instance: TO_DATE ('20150801', 'yyyymmdd') AS DAY_20150801_TOTAL, TO_DATE ('20150802', 'yyyymmdd') AS DAY_20150802_TOTAL, ...

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JDK 9: Highlights from The State of the Module System

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Mark Reinhold‘s The State of the Module System (SOMS) was published earlier this month and provides an information-packed readable “informal overview of enhancements to the Java SE Platform prototyped in Project Jigsaw and proposed as the starting point for JSR 376.” In this post, I summarize and highlight some of concepts and terms I found interesting while reading the document. ...

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