December 1999
Intermediate to advanced
816 pages
20h 27m
English
Content preview from PURE Java™ 2
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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.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.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.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.
Sample Code for Digital Signing
First you need code to sign. Listing 16.1 shows a short program that I am going to sign with a digital signature.
Code Listing 16.1. Basic Application to Sign Digitally (PrivilegeDriver.java)
// This program has little in the way of security-related code. // The program's purpose is to provide code that will need more permissions // than the default java.policy file grants so that you can't run this // program successfully without granting it additional permissions. import java.io.*; class PrivilegedFileAccessor { private FileWriter fw; private PrintWriter pw; private File textFile; private FileReader fr; private BufferedReader br; private String[] books = { "Rhetorica by Aristotle", "Against Apion by Josephus", ... |
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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.