1z0-813 試験問題を無料オンラインアクセス

Given the code fragments:

What is the result?

• A.null
• B.[Dog. Cat, Mouse]
• C.DodcatMOUSE
• D.A compilation error occurs.

Given the code fragment:

What is the result?

• A.invalid
• B.NULL
• C.An exception is thrown at runtime.
• D.blank
• E.Compilation fails

Which two elements must be present in any valid pipeline?

• A.a source
• B.a reduction operation
• C.a lambda expression or a method reference
• D.one or more Intermediate operations
• E.o terminal operation

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

Given the code fragment?

Which two fragments, when inserted independently at line6, enable the code to print true?

• A.Boolean b = nums. stream ()
  .filter(n-> n -20)
  .allMatch -> u - 20);
• B.Boolean b = nums. stream ()
  .allMatch -> u - 20);
• C.Boolean b = nums. stream ()
  .Nonematch( n -> n == 20) ;
• D.Boolean b = nums. stream ()
  .map(n-> n20)
  .Nonematch( n -> n == 20) ;