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Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Mark and sweep

Java's initial garbage collection algorithm, mark and sweep, used a simple two-step process:

  1. Java first step, mark, is to step through all objects that have accessible references, marking those objects as alive.
  2. The second step, sweep, involves scanning the sea for any object that is not marked.

As you can readily determine, the mark and sweep algorithm seems effective, but probably not very efficient due to the two-step nature of this approach. This eventually lead to a Java garbage collection system with vastly improved efficiencies.

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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page