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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

The java.Security.CodeSource package

A hash code is an object-generated number that is stored in a hash table for rapid storage and retrieval. Every object in Java has a hash code. Here are some characteristics and rules for hash codes:

  • Hash codes are the same for equal objects within a running process
  • Hash codes can change between execution cycles
  • Hash codes should not be used as keys

The Java 9 platform includes a modified hashCode method of java.security.CodeSource to optimize DNS lookups. These can be processor intensive, so a String version of the code source URL is used to compute hash codes.

The CodeSource class definition follows:

    public class CodeSource extends Object implements Serializable

This class has the following methods: ...

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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page