01:198:111 Lecture 3: Rec+3

89 views2 pages

lilacduck919

14 Oct 2017

School

Department

Course

Professor

For unlimited access to Class Notes, a Class+ subscription is required.

cyansea-lion159 and 56 others unlocked

01:198:111 Full Course Notes

Verified Note

47 documents

Document Summary

Why? int a=5; int b; double c=5. 42; double d; (1) b=a; (2) d=a; (3) d=c; b=c; (4) b=(int)c; (5) For this exercise (and most future ones), you will need io. java to be in the same folder as your own java file. Write a program that askes a user for his name and age and output weather or not they can vote. Exercise 3: library calls drawing with calls to picasso class. For this exercise we will use a module called picasso that supplies the following methods to draw lines and circles on the screen. The module keeps track of the current position on the screen of the pen that is used to draw, which starts out at the upper left-hand corner: write a program that draws a smiley face. The size of the smiley face should be an input from the user: as a group come up with a picture to draw and draw it. drawcircle( int diameter )

Related Questions

9. Finally, you should write a program MontrealMaps which will suggest a path to go along the metro to get from one place to another. The only required method for MontrealMaps is a main method but of course you are allowed to write others. Your program should do the following. For any library methods that you use, make sure that you are properly importing things and handling any exceptions they may throw. (10 points) • Using an appropriate library method, you should create a Subway System object. If this method fails to initialize, you should print the message Error, not enough funding. • Use a Scanner and print statements to read the current x and y position of the user. • Use a Scanner and print statements to read the x and y position that the user wants to go to. . Find the nearest Metro Station to both the start position of the user and his final destination. • If the 2 metro stations have the same name (i.e. are the same metro station) then print It is fastest to walk there. • Otherwise, call the method findPath from the previous part to find a path from these 2 metro stations. . If the method returns null, then print Sorry, there is no path on the metro, you'll have to walk • Otherwise, print the path using the metro using the method printPath defined in the MapUtilities class in the appendix. SUMMARY OF JAVA STANDARD LIBRARY METHODS POR SELECTED CLASSES • String package java.lang) Methods - public boolean gist and e rs is stingeancoject - puble boolean grease Sering another ca t ering String paint i th Stre C h eshilly before the Stripe with striert w Single weiter water N ENE fusha -publish tohy Casting de . File( p age java.io) Methods r eate - publie Yiling path : C • Scanner (package java.ut 1) Method -ple S ule - double Double Sc - le bon when : S Scanner tal de fethede h able othebean - puble String Best Mus eethe u s tepal -pulle haalean haxtLine: Check the hea ther in left PrintStream( p age java.io) Methods pul vaid pri Pribonaat - puli wid pride d oble vile. - pille vaid print Print vei. -pulle vaid printject o: Prints Object -puli vaid printString : Prints String .. - vaid primi The theme line by writing the li n e tie id print in bool bl. Prise n value the - public void platinabled Prints double ved and then the line - public void printit Prints Ent value and then tomis the - Pull vaid pri l l be t he minime publie wild prin t ing with String in the terminates the line • ArrayLiat package java.util) Methods - public boolean Arraybettype was a new ArrayList

01:198:111 Lecture 3: Rec+3

01:198:111 Full Course Notes

Document Summary

Get access

Related Documents

01:198:111 Lecture Notes - Lecture 6: Java Syntax, Multiplication Table

CPSC 112 Midterm: CS 112 Yale 13Fall Exam1 Solution

CS 111A Lecture Notes - Lecture 1: File Transfer, Negative Number, While Loop

Related Questions