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1. Describe three features that make Java a better programming language than C to write secure programs.
2. Assume that your system is using JDK 1.2. Show the rules (similar to those in Figure 9-40) you will use to allow an applet from www.appletsRus.com to run on your ma- chine. This applet may download additional files from www.appletsRus.com, read/write files in /usr/tmp/, and also read files from /usr/me/appletdir.
3. How are applets different from applications? How does this difference relate to secu- rity?
4. Write a pair of programs, in C or as shell scripts, to send and receive a message by a covert channel on a UNIX system. (Hint: A permission bit can be seen even when a file is otherwise inaccessible, and thesleep command or system call is guaranteed to delay for a fixed time, set by its argument.) Measure the data rate on an idle system. Then create an artificially heavy load by starting up numerous different background processes and measure the data rate again.
Create a simple Java application that uses the String class and/or the StringBuffer class and at least 4 of the class methods. Show the code, demonstrate it works properly and describe what it is doing.
Create and execute a stringed musical instrument class.
I am asked to generate a set of INPUT TEST VALUES. Is that included into this control structure, or do I have to create a whole different set of variables?
What are the main differences between JavaBeans and applets? How do I use an applet that resides on a remote machine?
Write a class encapsulating a PC-based game, which inherits from Game. A PC-bases game has the following additional attributes: the minimum megabytes of RAM needed to play the fame, the number of megabytes needed on the hard drive to install the fame..
Combine the four loop problems into one program with four distinct methods (the data is in the attached document). For this problem you will write methods, two value returning methods and two void methods.
The company has recently changed its total annual compensation policy to improve sales. A salesperson will continue to earn a fixed salary of $30,000. The current sales target for every salesperson is $400,000. Sales incentives are calculated as foll..
You are given a square matrix of dimension N. Let this matrix be called A. Your task is to rotate A in clockwise direction byS degrees, where S is angle of rotation. On the matrix, there will be 3 types of operations viz.
Write solution to solve the currently very un-PC"cigarette smokers problem" in java using Java threads, and monitors (using the "synchronized" keyword) (If it bothers your PC sensibilities, think of it at the Pot-smokers problem and then it is all pr..
Using the Person and PersonRunner classes below, execute the main method in PersonRunner. Why does the program end abnormally?
Write a Java program that computes and prints the value of 6!/5! using Scanner.
Writing a program to manage a student database. The interface to the program should be a GUI that looks similar to the following: A combo box should allow the user to select one of the three database actions shown
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