1z1-813 無料問題集「Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions)」

（A）Hello welcome close

（B）Compilation fails due to an error at Line n1..

（C）Compilation fails due to an error at Line n2.

（D）Compilation foils due to on error at Line n3.

（A）.sorted(comparator, comparing ((vehicle v) v. getVId()))

（B）.sorted ((v1, v2) -> v1.getVid() < v2. getVid())

（C）.sorted ((v1, v2) -> integer .compare(v1.getVId() , v2.getVid()))

（D）.map(v-> v. getVid ())
. sorted ()

（E）.sorted (comparable. Comparing (vehicle:: getVName) . reverse()

（A）If the file is a directory, and If that directory could not be opened, the poatVisitDirectory method is Invoked with the I/O exception.

（B）By default, symbolic links are not automatically followed by this method.

（C）The file tree traversal Is breadth first with the given filevisitor Invoked for each file encountered.

（D）If the file attributes cannot be lead due to on I/O exception, the visitFileFailed method is invoked With the I/O exception.

（E）The maxDepth parameter's value is the maximum number of directories to visit.

（A）one or more Intermediate operations

（B）a reduction operation

（C）a lambda expression or a method reference

（D）a source

（E）o terminal operation

（A）Boolean b = nums. stream ()
.Nonematch( n -> n == 20) ;

（B）Boolean b = nums. stream ()
.map(n-> n20)
.Nonematch( n -> n == 20) ;

（C）Boolean b = nums. stream ()
.allMatch -> u - 20);

（D）Boolean b = nums. stream ()
.filter(n-> n -20)
.allMatch -> u - 20);

（A）return list, Stream () .mapToint(i -> i+ i) . sum();

（B）return list, Stream () .map(1-> 1 +1) .sum{) ;

（C）return list, Stream () .map (I -> i) sum () ;

（D）return list, Stream ( ).mapToint (I -> i). sum () ;