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Q1. A script that can be used as a calculator with four major operations, i.e. “+-/*”. The script reads two integers and one operator from command-line argument and prints out the result. For instance:
./calculator.sh 32 – 20
Answer: 12
Step by step
Solved in 3 steps with 1 images
- 2 Please help me, I am using Java and it has to be AES As part of this project, you need to consider the following steps in your implementation: 1. With an AES encryption algorithm 2. Sender: Given a document X, write a program that can encrypt X with a passsword. Let’s say the password-protected document is Y 3. Receiver: Given Y, write a program that can ask the user to enter a password and perform decryption process to extract the original document X 4. During your implementation, you can also consider how to incorporate the following case: how a given document can be securely shared with several users. For example, if X is a document, then your platform can support multiple (authorized) users to securely access X.1)Write a shell scriptthat calculate electricity bill.The rates of electricity per unit are as follows: Consume-units>=300 then cost is Rs. 2 per unit Consume-units>300 and <=500 then cost is Rs. 5 per unit Consume-units>500 then cost is Rs. 7 per unit. 2)write a shell script that inputs Salary and Grade. It adds 50% bonus if the gradeis greater than 15. It adds 25% bonus if the grade is 15 or less and then display the total salary. 3)write a shell script that inputs three number and display the maximum number.EWrite a script to find and print current day and time import time now = time.localtime() print(time.strftime("%m/%d/%Y %I:%M:%S %p", now)) Add code which prints a greeting, either "good morning", "good afternoon", "or good evening", depending on the current time.
- Write a program MathOperations.java that will read in command-line argument (assumed to be a number, and not just an integer), and 1. convert the command-line value into a double; 2. store this value into a variable x; 3. use x and Math library to output the result of several mathematical operations, as shown below. Note on using Math library: Math.sqrt(x) returns square root of x. Math.pow(x,2.5) returns x raised to the power 2.5. Math.abs(x) returns an absolute value of x. Math.cos(x) returns cosine of x (in radians). What should your program print out? For example, if your command-line value is 3.14, your program should output the following: Your number is 3.14 ------------------- 3.14 squared = 9.8596 3.14 cubed = 30.959144000000002 square root of 3.14 = 1.772004514666935 3.14 raised to the power 0.5 = 1.772004514666935 The absolute value of 3.14 = 3.14 cosine of 3.14 (in radians) = -0.999998731727539 Or if your input argument is 16, your program should output the following: Your…Write a Java program that prompts the user to enter a password that matches a specific pattern **USING A SINGLE REGEX STATEMENT** as covered in your textbook. Your program must approve the user's entry.. Here is the pattern, in this order: 1 or more upper case letters two lower case letters 1 or 2 digits zero or 1 upper case letters any two of this group @#$%^& If password is not correct user must be prompted to enter a new password until conditions are met4. A) What will be the value of x after the following code is executed? int x, y = 4, z = 6; x = (y++) * (++z); B) Suppose a = 1. What is the value of a after the following code executes? Show the procedure to reach your answer if(a > 0) { switch(a) { case 1: a = a + 3; case 3: a++; case 6: a = a * 2; break; case 8: a--; break; default a++; } else a = a + 2; C) What would be the value of x after the following statements were executed? int x = 10; switch (x) { case 10: x += 15; case 12: x -= 5; break; default: x *= 3; }
- Write a program (BananaCoconut, that lives in BananaCoconut.java). This program should accept multiple numbers as command line arguments and print those numbers out again space separated, but for multiples of 3 print “banana” instead of the number, for multiples of 7 print “coconut” instead of the number, and for the multiples of both 3 and 7 print “banana-coconut” instead of the number. For numbers smaller than 1, print “puttputt”.Can you add class level comments, function level comments and inline comments In this line int i,n=0,s=0; they say the assigned value is not used can you fix that package avgsum;import java.util.Scanner; /**** @author Zaahid*/public class AvgSum { /*** @param args the command line arguments*/public static void main(String[] args) { int i,n=0,s=0;double average;{System.out.println("Enter the 5 numbers : "); }for (i=0;i<5;i++){Scanner in = new Scanner(System.in);n = in.nextInt();s +=n;}average=s/5;System.out.println("The sum of 5 numbers is : " +s+"\nThe Average is : " +average);}Through this programming assignment, the students will learn to do the following: Learn to work with command line options and arguments Gain more experience with Makefiles Gain more experience with Unix Learn to use some of the available math funtions available with C Usage: mortgagepmt [-s] -r rate [-d downpayment] price In this assignment, you are asked to do a mortgage payment calculation. All information needed for this will be passed to the program on the command line. There will be no user input during the execution of the program. You will need a few pieces of information. The price of the home and the amount of the down payment. You will also need to know the interest rate and the term of the mortgage. To figure your mortgage payment, start by converting your annual interest rate to a monthly interest rate by dividing by 12. Next, add 1 to the monthly rate. Third, multiply the number of years in the term of the mortgage by 12 to calculate the number of monthly payments you’ll…
- a. Write Java classMessage that automatically gives each created Message object a unique serial number, starting at 1 for the first message. (Hint: static) b) Write statements that create three Message objects. Show and explain serial numbers for these objects.Create a Java program that declares and initializes a string variable "dayOfWeek" with a value of your choice (e.g., "Monday", "Tuesday", etc.). Use a "switch" statement to check the value of "dayOfWeek" and output a message to the console indicating the corresponding day of the week. For example, if "dayOfWeek" is "Monday", output a message saying "Today is Monday". Use "default" to output a message for any invalid value of "dayOfWeek".Write a Java program correctly that generates a receipt for a delivery company, called “Montréal DeliveryExpress” that delivers goods to its clients. The company is located in Montréal and operates onlyin Québec.Write a program which:1. Display a welcome message.2. Then prompts the user to enter the following• First name of the client.• Last name of the client.• Address of the client (include street number, street name and apt number if applicable).• City of the client.• Postal code of the client.• Day of delivery.• Month of delivery.• Year of delivery.• Distance from source to destination in kilometers.• Value of the goods to be delivered.3. Generate the receipt based on the information entered by the user above, see a sample outputin the next page. First the receipt should display the Company name followed by the deliverydate. Then, the first name and last name of the client. The first letter in first name and last nameshould be displayed in Upper Case letters and the rest should be…
