Java Glossary : root

Last updated 2004-06-28 by Roedy Green ©1996-2004 Canadian Mind Products

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root

Root has at least five meanings.

1. File.listRoots lists the drive names available to a Java program.
2. In the context of a tree of Objects in RAM, it is the starting point Object.
3. In the context of a persistent object database, root refers to some named persistent object that can later be retrieved by name. Typically it would be a Collection, giving you a handle to a large number of other unnamed persistent objects.
4. All classes derive from the basic root class Object.
5. In the context of mathematics you compute the square root with Math.sqrt. You comput the cube root with Math.pow( x , 1.0/3.0 ) and similarly for nth roots.
6. In the context of certificates, it refers to the signing authority's public key. If that key exists in your browser or cacerts file, you can validate other people's certificates that were issued by that authority.

certificate ¤ Files and Directories ¤ POD

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