Your task will be to write a program that will both encrypt any text file containingspaces, uppercase letters, and lowercase letters (you should leave all punctuation otherthan spaces unencrypted). you should map the input letters as follows (lower-case lettersfrom 0 to 25; upper-case letters from 26 to 51; and whitespace to 52):

All of the following are characteristics that must be contained in any knowledge representation scheme except

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )