The Security Manager

The Java Virtual Machine

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Understanding how the various components of the Java Virtual Machine (JVM) cooperate to provide a secure execution environment will enable you to understand how to administer your own security policy using the new features of Java 2 and to know when you should consider implementing your own extensions to provide a more tailored security policy. … Read more

The Execution Environment

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We have said that the JVM operates on the stream of bytecode as an interpreter. This means that it processes bytecode while the program is running and converts it to real machine code that it executes on the fly. You can think of a computer program as being like a railroad track, with the train … Read more