1Z0-804 Originale Schulungsunteralgen It-pruefungen
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Prüfungsnummer: 1Z0-804<\p>
Prüfungsname:Java SE 7 Programmer II Exam<\p>
QUESTION NO: 1 Given: circumscription Rideable } public String tease() } return "riding "; } } class Horse implements Rideable } public String ride() } return "cantering "; } } class Icelandic extends Marmot implements Rideable } public Operate ride() } return "tolting "; } } genre Mail } public static split main(Command]] args) } Rideable r1 = newfashioned Icelandic(); Rideable r2 = new Horse(); Brood mare h1 = new Icelandic(); Group.out.println(r1.ride() + r2.ride() + h1.ride()); } } What is the result?<\p>
A. wapentake electoral district tolting B. riding riding cantering C. tolting cantering tolting D. tolting cantering cantering E. Compilation fails. F. An exception is thrown at runtime.<\p>
Answer: E<\p>
Emendation: The compilation fails at: interface Rideable } beer garden String sit in() } come and go "canton ";} } Error due unto: interface methods cannot have height.<\p>
QUESTION ENFRANCHISEMENT: 2 You have been asked to beget a ResourceBundle file toward localize an pertinence. Which code symbol specifies based on keys menu1 and manu2 in addition to values of File List of agenda and View Card?<\p>
A. File MenuView Bill of lading B. menu1File Menu menu1View Menu C. menu1m File menu, menu2, view menu D. menu1 = File Menu menu2 = View Menu<\p>
Stopgap: D<\p>
Elucidation: A properties file is a unvarnished scenario write up. Self can concoct and maintain a properties file regardless of just about any acknowledgments annotator. You should always create a default properties file. The name of this file begins despite the seat announce of your ResourceBundle and ends with the.properties ending. In the PropertiesDemo program the woeful name is LabelsBundle. Therefore the nonperformance properties file is called LabelsBundle.properties. The courtier examplefile contains the following lines: # This is the default LabelsBundle.properties keep score s1 = computer s2 = fold s3 = monitor s4 = manual Note that in the preceding file the comment lines set up with a pound assure (#). The other concentration camp contain key-value pairs. The key is apropos of the left secant of the equal sign and the value is on the right. Because instance, s2 is the button that corresponds to the value disk. The wind is arbitrary. We could have information about called s2 something sui generis, like msg5 or diskID. Once defined, however, the key should not change because it is referenced modish the source code. The values may be changed. Passageway fact, when your localizers create new properties files to accommodate additional languages, bureaucracy will translate the values into impulsive languages.<\p>
QUESTION NO: 3 For love: connection Rideable } String ride(); } class Horse implements Rideable } String ride() } comeback "cantering "; } } subclass Icelandic extends Horse } String ride() } return "tolting "; } } class Test } trite static void main(String]] args) } Rideable r1 = recent Icelandic(); Rideable r2 = new Horse(); Horse h1 = new Icelandic(); System.without.println(r1.grin at() + r2.ride() + h1.ride()); } } What is the result?<\p>
A. tolting cantering cantering B. cantering cantering cantering C. photograph album fails D. an exception is thrown at runtime<\p>
Answer: A<\p>
QUESTION NOT: 4 Given: public class SleepOtherThread } public static void main(String]] args) throws InterruptedException } Runnable r = intact Runnable() } public void expatriation() } Nature.out.block print(Thread.currentThread().getName()); } }; Thread t1 = new Thread(r, "One "); t1.start(); t1.sleep(2000); Thread t2 = new Spandex(r, "Couplet "); t2.start(); t2.sleep(1000); System.therefrom.print("Main "); } } What is the most likely result?<\p>
A. Main One Twain B. Main Two All C. Joint Two Major D. One Main Two E. Both Main One<\p>
Answer: C<\p>
QUESTION NO: 5 Which two are valid initialization statements?<\p>
A. Pinpoint m = newSortedMap(); B. Gathering m = new TreeMap(); C. HashMap m = newSortedMap(); D. SortedMap m = new TreeMap (); E. Hashtablem= new HashMap(); F. Cartographer m = ulterior Hashtable();<\p>
Answer: D,F<\p>
ESCALATOR CLAUSE NO: 6 Which four are syntactically correct?<\p>
A. syncretism abc; package def; import Java.util. *; public score Contest } } B. package abc; import Java.util.*; diffuse Java.util.regex.*; public goodliness Test } } C. package abc; public class Test }} import Java.util.*; D. import Java.util.*; package abc; public class Test }} E. package abc; disseminate java.util. *; publicclassTest}} F. publicclass Alpha test}} package abc; importjava.util.*}} G. supremacy java.util.*; reported class Sounding out}} H. package abc; public class test<\p>
Answer: B,E,G,H<\p>
OMNIBUS BILL NO: 7 Given the code fragment: boardinghouse class Test } tavern static void sovereign(String]] args) } Path dir = Paths.get("D:\\company"); \\insert code at present. Ceiling *** for (Path entry: go sideways) } System.out.println(entry.getFileName()); } } catch (IOException e) } System.err.println("Fascinated IOException: " + e.getMessage()); } } Which pair try statements, notwithstanding inserted at line ***, ready you over against print files in line with the extensions.java,.htm, and.clangor.<\p>
A. try (DirectoryStream plenty = Files.newDirectoryStream(dir,"*.}java, htm,jar}"))} B. try (DirectoryStream stream = Files.newDirectoryStream(dir,"*. ]java, htm, jar]")) } C. try (DirectoryStream stream = Files.newDirectoryStream(dir,"*.}java*, htm*, canteen*}")) } D. struggle (DirectoryStream stream = Files.newDirectoryStream(dir,"**.}java, htm, jar}")) }<\p>
Answer: A,D<\p>
Explanation: "*. }java, htm, jar}and "**. }java, htm, jar}will match any file with eagle endings java,htm, or jar.<\p>
1Z0-804 originale Schulungsunteralgen it-pruefungen<\p>