1. INSTRUCTIONS FOR WORK ON 8/27/15 EXERCISES 1

2. EXTRA CREDIT # 1 YOU MUST SHOW YOUR WORK TO ONE OF THE TEACHING ASSISTANTS IN CLASS WHEN DONE. THE TA WILL PLACE A MARK NEXT TO YOUR NAME ON THE ATTEDANCE SHEET AS AN INDICATION THAT YOU DID THE EXERCISES. NO NEED TO SUBMIT THIS EXERCISE ON BLACKBOARD! IT IS NOT GOING TO BE GRADED. BASED ON YPOUR READING ASSIGNMENT (CHAPTER 1 OF TEXT) DO THE FOLLOWING: 2

3. EXERCISES THE EXERCISES ARE OUT OF THE FOURTH EDITION OF THE TEXT. Open a word document and type the answers. Show answer to one of the TAs before you leave the class. Again, no requirement to submit it. No grade will be issued but a checkmark has to be next to your name on the attendance sheet. 3

4. EXERCISES TEXTPAGE 35 1.1.7.1 MULTIPLE CHOICE EXERCISES EXERCISES 1 - 14 2.1.7.2 CONVERTING NUMBERS QUESTION 15 AND 16. 4.1.7.3 GENERAL QUESTIONS QUESTIONS 21 AND 22. 4

5. EXERCISES PRACTICE WITH ACCESSING INFO. ON JAVA FUNCTIONALITY (DON’T WORRY IF YOU DON’T UNDERSTAND WHAT IT IS EXACTLY-THIS IS JUST A PRACTICE SO THAT YOU KNOW WHERE TO FIND CERTAIN MATERIAL LATER ON IN THE COURSE): GO TO THE JAVA API WEB SITE (FROM THE LINK AVAILABLE ON THE COURSES WEB SITE: WWW.CS.IIT.EDU/~CS116). THE API LISTS PROGRAMS THAT ALREADY EXIST IN JAVA (CALLED LIBRARIES OR PACKAGES). 5

6. EXERCISES – FIND THE PACKAGE java.lang. Read the description Click on the link (same as the name of the package). Scroll down to Class Summary label. Read the names of the various programs (class) available. Find the Math class. Read the description. Click on the name Math. Scroll down to Method Summary. These are different tasks that can be accomplished by using this program (class) called Math. 6

7. Exercises Each one of these tasks is called a method. Scroll down and find the method pow. What does the method pow do? Write down the answer in the word document. Take a guess: If you wanted to calculate the value of the number 3.6 raised to 2.4 power which number will be the a and which number will be the b looking at the way the method is written (pow( double a, double b))? Read the description of the method. 7

8. Exercises Do you have any idea what they mean, in the description, by the word “returns” (take a guess, but don’t worry about it if you don’t know the answer at this point)? Which of the following phrases do you think would fit the definition of the word returns? a)The instruction calculates the result and saves it somewhere in memory. b)Saves the first number and then the second number in memory and that is all. c)Does nothing. The word doe s not relate to anything. d)Program yells out loud “returns”. Write the answer in the word document. 8

9. EXERCISES 4.GO TO THE ORALE SITE WHERE THE COMPILER/INTERPRETER CAN BE DOWNLOADED. YOU CAN NAVIGATE TO THAT SITE FROM THE LINK PROVIDED IN THE COURSE’ S WEB SITE. – LOOKING AT THE INFORMATION DISLAYED, IF YOU WERE TO DOWNLOAD THE CAPABILTY TO COMPILE AND RUN JAVA PROGRAMS ON YOUR OWN COMPUTER WHICH O F THE 3 AVAILABLE LINKS WILL YOU CLICK (JDK. JRE OR SERVER JRE)? READ THE DESCRIPTIONS AND TAKE A GUESS. 9

10. EXERCISES 5. GO TO THE COURSE’S WEB SITE : www.iit.edu/~cs116 Familiarize yourself with the web site! Browse through the Home page and the Schedule page. Ask questions of TA if you don’t understand some of the available information. 6.GO TO BLACKBOARD LOGIN INTO YOUR PROFILE. GO TO THE CS115 COURSE. FIND WHERE UPCOMING ASSIGNMENTS CAN BE DOWNLOADED. ASK FOR HELP IF YOU CAN NOT FIGURE OUT WHERE THE ASSIGNMENTS GET DOWNLOADED!! 10

11. Exercises ANSWERS TO THE EXERCISES WILL BE DISCUSSES ON 9/3 IN CLASS. 11