Cs 217 Final Exam Spring 2022 Solution Object Oriented Programming

Department of Computer Science Page 1 of 13 National University of Computer and Emerging Sciences, Lahore Campus Course Name: Object Oriented Programming Course Code: CS217 Degree Program: BS (CS, SE, DS) Semester: Spring 2022 Exam Duration: 180 Minutes Total Marks: 65 Paper Date: 13-June-2022 Weight 40 Section: ALL Page(s): 13 Exam Type: Final Exam Student : Name:_____________________________ Roll No.________________ Section:_______ Instruction/Notes: 1. Attempt all questions. Answer in the space provided. Answers written on rough sheet will not be marked. Do not use pencil or red ink to answer the questions. In case of confusion or ambiguity make a reasonable assumption. Properly comment your code in Q1, Q2 and Q3. Question 1: (CLO:3,4) (Marks: 15) Suppose you are working as an intern in a large company that does a lot of text processing and your team lead wants you to write a small function that takes an array of tweets as input and create an index of important key words in all the tweets. According to the guidelines given by your boss, important key words are all the words separated by white space. For simplicity you can assume that all the letters are in lower case Consider the following example: Tweet