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            Java Performance 培訓

             
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            課程大綱
             
            • Basics and performance measurements
              Performance dimensions
              The process of creating efficient software
              Factors affecting performance
              Micro and Macro-Benchmarking
              Profiling
              Use of tools: JConsole, Java Visual VM, JMC (Java Mission Control), MAT (memory analysis)
              Efficient work on files
              IO: streams, buffering, RandomAccessFile
              NIO: channels, memory mapped files
              NIO.2 (introduction): Path, Files
              How to increase serialization performance
              Working with collections and arrays
              Computational complexity - how to choose algorithms
              Recursion, iteration and heuristics
              Performance for sets, lists, queues, maps
              Views and Collections class
              Review of multithreaded collections (java.util.concurrent)
              Arrays and collections for simple types
              JMH - approved microbenchmak framework for Java
              Creating JMH project and benchmarks
              Configuration, running, results
              Concurrent and parameterizable Benchmarks
              Traps and advanced elements
              Class loading
              Class Class, ClassLoader and class loading process
              When to control class loading?
              Delaying class loading and reducing the number of classes
              Reflection and dynamic proxy
              Introduction to modules (Java 9)
              Memory management in Java
              Garbage Collector and object life cycle
              Strong, soft, weak and phantom references
              Why memory leak occurs and what to avoid in Java
              Generations and memory spaces
              Tuning Garbage Collector
              Types of Garbage Collector: Serial, Parallel, Concurrent, G1
              Changes in Java 8 and Java 9
              Java Virtual Machine
              Client and server modes
              Tuning JVM
              Performance changes from version to version
              Introduction to optimization for HTTP (OPTIONAL)
              Problems with server side optimization
              Testing with HTTP: HttpUnit, JWebUnit, Selenium
              Performance measurements for HTTP: Grinder, JMeter
              Additional information about JMeter
              Problems with optimization
              Micro-benchmarking problems
              Premature optimization
              Greed
              Other bad practices
             
              備案號:備案號:滬ICP備08026168號-1 .(2024年07月24日)....................
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