December 1999
Intermediate to advanced
816 pages
20h 27m
English
Content preview from PURE Java™ 2
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Applet Security Considerations
Generally speaking, applets are severely restricted as to what they are allowed to do on a user's system. They run, by default, in what is called the sandbox . The sandbox, which is implemented by the java.lang.SecurityManager class or a subclass of it, restricts applets from the following activities. Applets cannot
Read from or write to the client machine's file system.
Modify thread groups.
Connect to any host besides the host they were downloaded from.
Access any system properties related to the local machine's file system.
Because of these restrictions, an applet cannot execute code installed on a local machine, and therefore, an applet cannot print from the machine it is running on.
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In Java 2, this ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.