SEI CERT Oracle Coding Standard for Java

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Wiki MarkupA capability is a communicable, unforgeable token of authority. It refers to a value that references an object along with an associated set of access rights. A user program on a capability-based operating system must use a capability to access an object \[Wikipedia 2011\].

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The term capability was introduced by Dennis and Van Horn \[[Dennis 1966|AA. Bibliography#Dennis 1966]\]. The basic idea is that for a program to access an object it must have a special token. This token designates an object and gives the program the authority to perform a specific set of actions (such as reading or writing) on that object. Such a token is known as a capability.

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