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[General] Prep 1z0-809 Guide, Actual 1z0-809 Test

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【General】 Prep 1z0-809 Guide, Actual 1z0-809 Test

Posted at 5 day before      View:51 | Replies:1        Print      Only Author   [Copy Link] 1#
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Oracle Java SE 8 Programmer II Sample Questions (Q87-Q92):NEW QUESTION # 87
Given the code snippet from a compiled Java source file:

Which command-line arguments should you pass to the program to obtain the following output?
Arg is 2
  • A. java MyFile 1 2 2 3 4
  • B. java MyFile 0 1 2 3
  • C. java MyFile 1 3 2 2
  • D. java MyFile 2 1 2
Answer: C

NEW QUESTION # 88
Given:
public class Test<T>   {
private T t;
public T get () {
return t;
}
public void set (T t)   {
this.t = t;
}
public static void main (String args [ ] )   {
Test<String> type = new Test<>();
Test type 1 = new Test ();   //line n1
type.set("Java");
type1.set(100);   //line n2
System.out.print(type.get() + " " + type1.get());
}
}
What is the result?
  • A. A compilation error occurs. To rectify it, replace line n1with:
    Test<Integer> type1 = new Test<>();
  • B. java.lang.string@<hashcode>java.lang.Integer@<hashcode>
  • C. A compilation error occurs. To rectify it, replace line n2with:
    type1.set (Integer(100));
  • D. Java 100
Answer: A

NEW QUESTION # 89
Given the code fragment:
List<String> empDetails = Arrays.asList("100, Robin, HR",
"200, Mary, AdminServices",
"101, Peter, HR");
empDetails.stream()
.filter(s-> s.contains("1"))
.sorted()
.forEach(System.out::println); //line n1
What is the result?
  • A. 100, Robin, HR
    200, Mary, AdminServices
    101, Peter, HR
  • B. 100, Robin, HR
    101, Peter, HR
  • C. 100, Robin, HR
    101, Peter, HR
    200, Mary, AdminServices
  • D. A compilation error occurs at line n1.
Answer: C

NEW QUESTION # 90
Given the code fragment:
Path source = Paths.get ("/data/december/log.txt");
Path destination = Paths.get("/data");
Files.copy (source, destination);
and assuming that the file /data/december/log.txtis accessible and contains:
10-Dec-2014 - Executed successfully
What is the result?
  • A. A FileNotFoundExceptionis thrown at run time.
  • B. The program executes successfully and does NOT change the file system.
  • C. A FileAlreadyExistsExceptionis thrown at run time.
  • D. A file with the name log.txtis created in the /datadirectory and the content of the /data/ december/log.txtfile is copied to it.
Answer: B

NEW QUESTION # 91
Given the code fragment:
Stream<ath> files = Files.walk(Paths.get(System.getProperty("user.home"))); files.forEach (fName -> { //line n1 try { Path aPath = fName.toAbsolutePath(); //line n2 System.out.println(fName + ":"
+ Files.readAttributes(aPath,
Basic.File.Attributes.class).creationTime
());
} catch (IOException ex) {
ex.printStackTrace();
});
What is the result?
  • A. A compilation error occurs at line n2.
  • B. All files and directories under the home directory are listed along with their attributes.
  • C. The files in the home directory are listed along with their attributes.
  • D. A compilation error occurs at line n1.
Answer: B

NEW QUESTION # 92
......
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Posted at yesterday 05:12        Only Author  2#
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