Final Exam Form 2 CSCI 130 Fall 2022

Name ______________________________________

• Please make sure that your name is on this page.
• Please staple this sheet to your answers, this page on top.
• Please answer each question fully, carefully and thoughtfully.
• No credit will be given for unreadable answers, please write neatly.
• Answer the questions in any order, but please number each answer.
• You may assume all code given is free from syntax errors. If you find a syntax error please ask.

1. Loops
   1. [6 points] Name/describe the three items required for a successful loop.

2. For loops
   1. [4 points] Give the syntax of a for loop. Explain all of the parts.
   2. [4 points] Describe how a for loop helps a programmer write correct loops.

3. While Loops
   1. [4 points] Provide the syntax for a while loop.
   2. [4 points] Provide the preferred use of a while loop.
   3. [4 points] Give the semantics of a while loop.

4. [6 points] Describe the error in the following code. What happens that is incorrect? There are no syntax errors.

   ifstream inFile;
   string word;
   
   inFile.open("ocap.txt");
   
   while(inFile) {
      inFile >> word;
      cout << word << endl;
   }
   

5. [6 points] The variable phrase is of type string and contains a valid phrase. Write a code segment that converts the value stored in phrase to all uppercase letters.

6. [12 points] The variables phrase and word are both strings and contain valid values. Write a segment of code that will count the number of times the string stored in word occurs in the string stored in phrase.