Given the code fragment:

Which code fragment, when inserted at line n1, enables the code to print ABCD?

• A. string str = sList.stream reduce () .reduce ("A" , string: : concat) ;
• B. string str = sList.stream reduce () .reduce ("A", (s1, s2) -> s1.concat (s2)) ;
• C. string str = sList.stream reduce (). Reduce (s1, s2) ->s1, concat (82) ;
• D. string str = sList.stream reduce () .reduce (" ", (s1, s2) -> s1.concat (s2));

Which two statements are true about the walKfileTrac method of the files class?

• A. By default, symbolic links are not automatically followed by this method.
• B. If the file attributes cannot be lead due to on I/O exception, the visitFileFailed method is invoked With the I/O exception.
• C. If the file is a directory, and If that directory could not be opened, the poatVisitDirectory method is Invoked with the I/O exception.
• D. The file tree traversal Is breadth first with the given filevisitor Invoked for each file encountered.
• E. The maxDepth parameter's value is the maximum number of directories to visit.

In 2015, daylight saving time in the New Yourk, beings on March 8th at 2:00 AM. As a result, AM becomes 3:00 AM.
Given the code fragment:

Which is the result?

• A. 4:00 - difference: 2
• B. 3:00 - difference: 2
• C. 2:00 - difference: 1
• D. 4:00 - difference: 2

Given the code fragment:

You have been asked to define the productcode class. The definition of the productcode class must allow c 1 instantiation co succeed and cause a compilation error on o2 instantiation.
Which definition of productcode meets the requirement?

• A. class productCode<T, S< {
  T c1;
  S c2;
  )
• B. class productCode<T, S<IntegAr>> {
  T c1;
  S c2;
  )
• C. Class productCode<T, S super T> {
  T c1;
  S c2;
  )
• D. class productCode<T, S extends T> {
  T c1;
  S c2;
  )

Which code fragment, when inserted at line n1, produces the result fy20`4.txt?

• A. stream<path> files = Files.find(paths. get("D\\ report"\\ry2014.txt")) '
• B. stream<path> files =Files.find(paths. get("D\\ report") , (p, a) -> a isRagular File ());
• C. stream<path> files = Files. Walk. get("D\\ report");
• D. stream<path> files = Files. Walk. get("D\\ report"), 3, (p, a) -> p.isregularFile()) ;