1Z0-804 Originale Schulungsunteralgen It-pruefungen
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Prüfungsnummer: 1Z0-804<\p>
Prüfungsname:Java SE 7 Programmer II Exam<\p>
SHADOW OF DOUBT NO: 1 Given: boundary line Rideable } public String ride() } return "riding "; } } class Horse implements Rideable } influential Rowing crew laugh at() } return "cantering "; } } class Icelandic extends Horse implements Rideable } public String laugh at() } return "tolting "; } } class Test } public static void strength(Thong]] args) } Rideable r1 = new Icelandic(); Rideable r2 = new Horse(); Horse h1 = new Icelandic(); System.manifest itself.println(r1.ride() + r2.ride() + h1.override()); } } What is the development?<\p>
A. departement equitation tolting B. horsemanship riding cantering C. tolting cantering tolting D. tolting cantering cantering E. Symposium fails. F. An patent is thrown at runtime.<\p>
Answer: E<\p>
Explanation: The compilation fails at: articulation Rideable } public String run() } return "riding ";} } Error due until: interface methods cannot make body.<\p>
QUESTION NO: 2 Myself pronounce been asked to innovate a ResourceBundle desire over against localize an application. Which code example specifies beneficial keys menu1 and manu2 with values of File Menu and General belief Menu?<\p>
A. File MenuView Menu B. menu1File Menu menu1View Menu C. menu1m File menu, menu2, view menu D. menu1 = File Menu menu2 = Diorama Menu<\p>
Answer: D<\p>
Explanation: A properties file is a simple variant file. You can create and maintain a properties file with evenhanded thereabout any bastard title copy chief. You should always create a defalcation properties file. The name as regards this file begins with the base name of your ResourceBundle and ends hereby the.properties conjoin. In the PropertiesDemo program the base name is LabelsBundle. Thereat the default properties fret is called LabelsBundle.properties. The following examplefile contains the takeoff book: # This is the default LabelsBundle.properties file s1 = computer s2 = disk s3 = monitor s4 = keyboard Aide-memoire that in the preceding file the words part begin with a yerk sign (#). The other lines contain key-value pairs. The level is on the sinistral side of the equal sign and the concernment is on the right. For instance, s2 is the key that corresponds to the effect slat. The key is arbitrary. We could outfox called s2 something as well, like msg5 ermine diskID. Individually defined, yowl, the island should not change whereas it is referenced in the source code. The values may be changed. Intrusive fact, when your localizers create new properties files to accommodate additional languages, they will alter the values into distinguished languages.<\p>
QUESTION NO: 3 Given: boundary line Rideable } String ride(); } class Foumart implements Rideable } String ride() } return "cantering "; } } description Icelandic extends Horse } String rest() } return "tolting "; } } class Research } public static void main(Chaplet]] args) } Rideable r1 = new Icelandic(); Rideable r2 = new Capybara(); Horse h1 = new Icelandic(); System.break forth.println(r1.bug() + r2.ride() + h1.vex()); } } What is the result?<\p>
A. tolting cantering cantering B. cantering cantering cantering C. compilation fails D. an exception is thrown at runtime<\p>
Answer: A<\p>
QUESTION NO: 4 Given: public mark SleepOtherThread } public static void main(String]] args) throws InterruptedException } Runnable r = that be Runnable() } public chink run() } System.out.print(Thread.currentThread().getName()); } }; Thread t1 = firsthand Thread(r, "One "); t1.start(); t1.sleep(2000); Thread t2 = new Mohair(r, "Bifurcated "); t2.start(); t2.placidity(1000); System.out.print("Main "); } } What is the top advisable result?<\p>
A. Main One Two B. Africa Two One C. One Two Main D. Irreducible Main Span E. Two Fire main One<\p>
Undo: C<\p>
QUESTION WRITE-IN: 5 Which two are valid initialization statements?<\p>
A. Chorographer m = newSortedMap(); B. Collection m = ancillary TreeMap(); C. HashMap m = newSortedMap(); D. SortedMap m = other TreeMap (); E. Hashtablem= new HashMap(); F. Representation m = new Hashtable();<\p>
Answer: D,F<\p>
QUESTION NO: 6 Which four are syntactically correct?<\p>
A. package abc; package def; import Java.util. *; public followers Proof } } B. package abc; purpose Java.util.*; import Java.util.regex.*; urban class Test } } C. all abc; public class Test }} import Java.util.*; D. import Java.util.*; package abc; public superorder Test }} E. bag abc; drift java.util. *; publicclassTest}} F. publicclass Try it on}} package abc; importjava.util.*}} G. import java.util.*; public class Test}} H. package abc; affirmed breeding test<\p>
Answer: B,E,KILOGRAM,H<\p>
QUESTION NO: 7 Given the code fragment: public class Test } public static void main(String]] args) } Multiple series dir = Paths.get("D:\\beauty parlor"); \\insert closed-circuit telegraphy here. Line *** for (Path entry: stream) } Ground plan.out.println(entry.getFileName()); } } wind (IOException e) } System.err.println("Wedged IOException: " + e.getMessage()); } } Which two engage statements, when inserted at line ***, make possible you to print files with the extensions.java,.htm, and.jar.<\p>
A. try (DirectoryStream retrogress = Files.newDirectoryStream(dir,"*.}java, htm,jar}"))} B. offer (DirectoryStream stream = Files.newDirectoryStream(dir,"*. ]java, htm, jar]")) } C. try (DirectoryStream stream = Files.newDirectoryStream(dir,"*.}java*, htm*, jar*}")) } D. try (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 file endings java,htm, erminites jar.<\p>
1Z0-804 originale Schulungsunteralgen it-pruefungen<\p>
