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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

Enhanced Class Redefinition

Java Enhancement Proposal 159, Enhanced Class Redefinition, calls for enhanced JVM capabilities in regards to class redefinition at runtime. Specifically the proposal includes the following class redefinition operations:

  • Adding super types
  • Adding methods
  • Adding static fields
  • Adding instance fields
  • Removing methods
  • Removing static fields
  • Removing instance fields

Current JVM class redefinition capabilities are limited to method swapping. This is viewed as extremely restrictive. With the new proposed enhancement, developers will not have to restart their applications after changes. This is especially beneficial when dealing with large and distributed systems.

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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page