ECS 30 Lecture Notes - Lecture 4: Reserved Word, Data Type, C Standard Library

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indigomammoth668

15 Apr 2018

School

UC-Davis

Department

Engineering: Computer Science

Course

ECS 30

Professor

Joel Porquet

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Document Summary

Identi ers: example using a reserved word, standard identi ers. Identi ers de ned by the standard c library. Can be rede ned, but probably not a good idea. Monday, 9 april 2018: example using a standard identi er, user identi ed identities. Smart choice: avoid meaningless identi ers (or only for very speci c use-cases) Int a, b1, c;double tmp: instead, nd descriptive identi ers. !2: any decent text-editor offers auto-completion, so no excuse for not using. Snake_case: traditional style for c, consistent case (either all lower or all upper, underscores for representing spaces between words. Camelcase: traditional style for java or . net, spaces are stripped, first letter of each word is capitalised, also camelcase ( rst word is not capitalized) Int thisisavariable = 0: choose one style (the most readable to you) throughout the same program and stick to it, the most important is style consistency.

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

Complex Sentences and Subordinate Clauses

A complex sentence has a main clause and one or more subordinate clauses. A main clause has a subject and a predicate, and it can stand alone as a sentence. A subordinate clause also has a subject and a predicate, but it cannot stand alone as a sentence. It depends on the main clause to complete its meaning. It can act as an adjective, an adverb, or a noun.

MAIN CLAUSE SUBORDINATE CLAUSE

They are playing music that I like to hear. (adjective)

We must stop skating when the music stops. (adverb)

I will tell you what happened at the rink. (noun)

Write in the blank simple or complex to identify the type of sentence.

complex February 2, which is the midpoint of winter, is an unusual holiday.

__________ 1. It is Groundhog Day and is celebrated all over the country.

__________ 2. The groundhog, which is actually a woodchuck, emerges from hibernation on that day.

__________ 3. If the groundhog sees it shadow, there will be six more weeks of winter weather.

__________ 4. After the groundhog sees it shadow, it returns to its burrow until spring.

__________ 5. If the day is cloudy and the groundhog does not see its shadow, spring will come early.

__________ 6. The groundhog stays outside because it expects spring.

__________ 7. People enjoy this customer although most do not believe in it.

__________ 8. Statistical evidence does not support this popular superstition.

__________ 9. The groundhog that most people watch for is in Punxsutawney, Pennsylvania.

__________ 10. Its name is Phil, probably from the word fillip, which means "anything that stirs or liven up."

__________ 11. About seven thousand townspeople gather on February 2 and watch for the famous groundhog.

bullfrogsandbutterfliesps

Elements of Gothic Fiction

1- Settings that often include large, drafty old houses that have "been in the family for years"

2- An atmosphere of mystery and suspense that is enhanced by a plot containing secrets

3- A ghostly legend, an unexplainable occurrence, or a story about a horrible death or murder

4- Omens, foreshadowing, and dreams (bad dreams about something bad that is going to happen) play a role in the mysterious air of the. story

5- Highly charged emotional states like: terror, the brink of insanity, anger, impending doom, and obsessive love

6- Supernatural events: ghosts, unexplained sounds, etc.

7- Damsels in distress are frequent (sometimes to be rescued; sometimes not to be rescued)

8- Words designed to evoke images of gloom and doom. (The good gothic writer can make you) picture the scary scene he is trying to create in your mind.)

9- The death of a man or woman in the throes of some great passion, the obsessive nature of a man or woman in love, or excessive grief one\} feels upon the loss of a loved one

American Gothic writers are sometimes referred to as "Brooding Romantics" or "Anti-transcendentalists" because, unlike the optimism of the Transcendentalist writers, they

A. had poor health and were always depressed.

B. explored the human capacity for evil.

C wrote about the good and bad aspects of nature.

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ECS 30 Lecture Notes - Lecture 4: Reserved Word, Data Type, C Standard Library

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