Monday, November 17, 2008

J2EE classloder

Delegation Principle: If a class is not loaded already, the classloaders delegate the request to load that class to their parent classloaders.

Visibility Principle: Classes loaded by parent classloaders are visible to child classloaders but not vice versa.

Uniqueness Principle: When a classloader loads a class, the child classloaders in the hierarchy will never reload that class.

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