Consider the below commands i) sed "s/CSH/csh/g" temp> ls~/newtemp iii) ls -a | grep "." | wc -1 iv) type -1 export | type -t Is ii) ls -v grep wc -1 Which of the above Commands are executed? (A) i, ii, iii only (B) ii, iii only (C)All the above (D)None of these.
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Consider the below commands
i) sed "s/CSH/csh/g" temp> ls~/newtemp
iii) ls -a | grep "." | wc -1 iv) type -1 export | type -t Is
ii) ls -v grep wc -1
Which of the above Commands are executed?
(A) i, ii, iii only
(B) ii, iii only
(C)All the above
(D)None of these.
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- Part 1: Define a class named ID Protected Data Member: number - type int pointer (dynamic variable) number has to be 10 digits integer. Appropriate accessor and mutator functions. Default constructor and one argument constructor. Overload the insertion operator > to input ID objects. Add big three to ID class. Please indicate call of big three. Use following main() to test your class. int main(){ ID a(12345678); cout>a; cout>a; cout copy constrcutor is called Enter id number: 1234 ID number: 1234 ID => Assignment operator is called Enter id number: 56789 ID number: 56789 ID number: 12345678 ID number: 1234 ID => Destructor is called ID => Dest ructor is called ID => Destructor is calledCreate a ‘DISTANCE’ class with the following:- feet (type int) and inches (type float) as datamembers. Overloadedstream extraction operator (>>) for input and overload insertion operator (<<) for output of class data members.Write a main() to test all the functions in the class and follows the user to enter data, anddisplays the data members that is entered by the user. The main() function should display anappropriate thrown error message if user enter negative distance value from the commandprompt.In the source file (CPP), create a C++ class that contains your functions and data members as follows: • Data members: · 2 arrays of strings named names and values respectfully (do not use STL containers e or your score will be reduced significantly). The size of the arrays should be large enough to hold all of the data parsed from the test files (we will be modifying this in the future so don't worry about the size being just right. Err on the side of too large if anything). • names array: will contain all of the names in the object • values array: will contain all of the values in the object Member functions: · A function to open the file and store the file object or data. The function should return true on success and false on failure. · A function to read the names/values from the JSON file and place them in the 2 member arrays named names and values respectfully. The function should return true on success and false on failure. • Create docktest e testcases that tests the results…
- m6 C++ Question: Make an execution chart like the example below for the code provided. Example chart: An execution chart is a text version of the hierarchy. Indentation is used to indicate thesublevels or calls inside a call. It also contains the data exchange between the components asdesignated in the hierarchy chart. Given below is the execution chart that corresponds to thehierarchy chart of the property tax calculation program1.0 Main()2.0 CalculatePropertyTax()3.0 displayMessage( input string messageToDisplay)3.1 return double getHomeValue()3.2 return boolean checkHomeValue()3.3 return double applyPropertyTax(input double homeValue)3.4 displayPropertyTax(input homeValue)3.5 return Boolean queryMoreData()4.0 displayMessage(input string messageToDisplay)4.1 return char getYesNo()4.2 return char convertCase(input char)3.6 displayErrorMessage() More exlanation: example: 1.0 means it's of depth 1, line 0 then 2.0 means it's one call inside a function (aka it's inside another function)…The program has to be in c++ Can someone help with this program?Create a Student class with member-data name and average success and member-functions• Designers• get & set• member-function (method), returning the first letter of the student's nameWrite external functions with a vector parameter from students• To read a list of Student objects (vector <Student>) from a file (the file is submitted as a second parameter)• To display a list of students on the screen• To calculate the average success of a list of students Write two sorting functions - by name and by average success.In main (), create an empty vector of students and illustrate the application of the written external functions (they in turn use the member functions of the Student class).plz help with the following: Define a class Registration to implement course registration/withdrawal of students. The program should place the code into a try-catch block with multiple catches to check for the validity of various attributes based on the following criteria. a. Student ID must start with a letter and should be followed by four digits. b. The default number of courses must be at least 3. -Print suitable error matches within the catch block. If any of the criteria mentioned above is not fulfilled, the program should loop back and let the user enter new data. -Add methods for the number of courses registered and withdrawn. Create your own exception class which will check inside the method for the courses registered so that after the registration, the maximum number of registered courses should not be more than 6. Also, check inside the method for course withdrawal so that the number of courses after the withdrawal does not go less than 2. Invoke the defined methods from…
- 14) Which of the following is an advantage of a doubly linked structure over a singly linked structure? a. it is less complex to implement b. you can easily access the next of an item C. you can easily access the successor of an item d. none of them e. All of them 15) 27) How is creating a subclass of an existing class different from copying the code from the existing class to a new file? a. no methods need be created or modified b. you don't need an __init__ method C. the name of the subclass is in parentheses of the class header d. delete all the methods that don't have to change 33) When you finish writing the abstract class, what must the subclasses do to use it? a. reference the abstract class in their__init_method. b. copy the code to the subclass file C. import the abstract class d. nothing, the abstract class is automatically included in subclassStep 1: Read your files! You should now have 3 files. Read each of these files, in the order listed below. dynamicarray.h contains the class definition for DynamicArray. Be sure you fully understand the changes to the class definition: arr is defined differently ● O -- o A new variable, capacity, has been added o A new member function, cap(), has been added to allow external access to the capacity. This is to make sure you're resizing correctly. dynamicarray.cpp -- contains the definition of the print() function for DynamicArray. main.cpp client code to test your dynamicarray class. o Note that the multi-line comment format (/* ... */) has been used to comment out everything in main below the first print statement. As you proceed through the lab, you will need to move the starting comment (/*) to a different location. Other than that, no changes ever need to be made to this file.Modify class GradeBook (GradeBook.cpp, and GradeBook.h) (attached) as follows:a) Include a second private data member instructorName in the GradeBook class. It represents the course instructor’s name. The data type of the instructorName is a string.b) Create a new setInstructorName function in the GradeBook class. The function sets the instructor name. It accepts a string argument and does not return anything. c) Create a new getInstructorName function in the GradeBook class. The function retrieves the instructor name. It does not accept any argument and returns one string data.d) Modify the constructor to accept two parameters—one for the course name and one for the instructor’s name.e) Modify member function displayMessage such that it will display the welcome message and course name, then outputs "This course is presented by: " followed by the instructor’s name.f) Adjust all the necessary statements in the GradeBook.cpp file to display the required space(s) and line space(s).
- //java Part I: Code an application using the BigDecimalclass to calculate the return of an investment. Use the same formula found in FutureValueand FutureValueApp2in Ch5 from the downloaded source code examples for the calculation. You must format the currency and percent (keeping 3 positions to the right of the decimal point in percent) and handle any exceptions (letter and out of range entries) that may occur from the input data. The valid range of investment amounts is from $1.00 to $1,000,000.00. The valid return rate is from 0.1% to 3.5%. The valid period of investment years is from 1 to 100. Your program must continue to run until the user enters “n” to terminate the execution. You must validate the user's entry so that only “y” and “n” are accepted. Save your code as fileFutureValueBigDeci malApp.java. (Suggestions: Modify Validator so it will add a new validateDoubleWithRange(Scanner sc, String prompt, double min, double max) method and a newvalidateIntWithRange(Scanner, sc,…i will upvotes unique answer plzz (Use language OOP in c++) Create a class Student with data members age and marks, both of type integer. Provide a parameterized constructor and a set member function to set the data members. The age should be a positive number between 15 and 40 while the marks should be between 0 and 100. Create a class InvalidRange as exception handler of the Student class. Add two private data members (a string and an integer) to theclass InvalidRange. Provide appropriate constructor and get methods for the data members. The string should store the name of the function throwing the exception while the integer should store the invalid value the user has supplied. The student class should throw an exception if any of its member functions attempts to assign an invalid value to the data members. In the main program, create objects of class student, assign valid/invalid values to the data members and catch the exceptions accordingly. Extend the program to have two…1. Create a 'DISTANCE' class with the following:- feet (type int) and inches (type float) as data members. Overloaded stream extraction operator (>>) for input and overload insertion operator (<<) for output of class data members. Write a main() to test all the functions in the class and follows the user to enter data, and displays the data members that is entered by the user. The main() function should display an appropriate thrown error message if user enter negative distance value from the command prompt.