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Write a Java program that can serve as a simple calculator. This calculator keeps track of a single number (of type double) that is called result and that starts out as 0.0. Each cycle allows the user to repeatedly add, subtract, multiply, or divide by a second number. The result of one of these operations becomes the new value of result. The calculation ends when the user enters the letter "R" or "r" for 'result'. The user is allowed to do another calculation from the beginning as often as desired.
The input format is shown in the following sample dialogue. If the user enters any operator symbol other than "+,-,*, or /", then an UnknownOperatorException is thrown and the user is asked to reenter that line of input. Define the class UnknownOperatorException appropriately.
Calculator is onresult = 0.0+5result + 5.0 = 5.0new result = 5.0*2.2result * 2.2 = 11.0updated result = 11.0%10% is an unknown operation.Reenter, your last line:*0.1result * 0.1 = 1.1updated result = 1.1rFinal result = 1.1Do you want calculate again? (y/n)yesresult = 0.0+10result + 10.0 = 10.0new result = 10.0/2result / 2.0 = 5.0updated result = 5.0RFinal result = 5.0Do you want calculate again? (y/n)NEnd of Program
Simplify the following Boolean functions, using 3-variable maps: F (x,y,z) = Σ(0,2,6,7)
Which of the following best explains the situation after Line 1 has been executed? pCdoesnothaveatarget, and pCdoesnothaveaknownvalue. pCdoesnothaveatarget, butpCdoeshaveaknownvalue.
Describe the security issues which may be encountered when the multiple users process the database concurrently.
Write down a user-defined function
Your company has a network that contains several NetWare 4.11 servers and uses IPX as the routing protocol. Each of the network segments has minimum one NetWare server on it. Which of the following responds to a Get Nearest Server (GNS)request from..
explain how logical and physical representations of a To-Be system will differ.
You're asked to design a network for use in the training environment. It should be mobile, easy to set up, and simple to tear down. Speed is not an issue. Develop the network design that accommodates these requirements and keeps costs down.
The passed floating-point number represents TOTAL amount of money to be spent on food. The function is to determine the quantity of HOTDOGS, HAMBURGERS,SALAD,PICKLES that can be purchaced, writing these values directly into the respective variable..
Implement the Nested – Loop Join algorithm in any of the programming language.The solution should involve:a) Source file of application,
assume the legislature in your state is debating the adoption of UCITA and you have been known as an expert witness. What are the three most important ideas you want your legislators to get from the testimony.
Write down a program which has a function named presentValue which carry out this calculation. The function must accept future value, annual interest rate, and number of the years as arguments.
Write down a program which declares a MonthlyBudget structure with the member variables in order to hold each of these expense categories.
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