1Z0-819 試験問題を無料オンラインアクセス

Given:

Which is true?

• A.Line 3 is the first line to cause a compilation error.
• B.Line 1 is the first line to cause a compilation error,
• C.Line 2 Is the first line to cause a compilation error.
• D.It complies without errors.

Which two statements are true about Java modules? (Choose two.)

• A.Any named module can directly access all classes in an automatic module.
• B.Classes found in -classpath are part of an unnamed module.
• C.If a package is defined in both the named module and the unnamed module, then the package in the unnamed module is ignored.
• D.Modular jars loaded from --module-path are automatic modules.
• E.Modular jars loaded from -classpath are automatic modules.

Given:

Taking into account that the order of the elements is unpredictable, what is the output?

• A.{mismatch=2, am=2, first=1, second=1}
• B.{mismatch=1, am=2, first=1, second=1}
• C.{am=2, first=1, mismatch=1, second=2}
• D.{l=mismatch, 2=am}

Given these two classes:


And given this fragment:

Which describes the fragment?

• A.It is subject to livelock.
• B.It is subject to deadlock.
• C.It throws IllegalMonitorStateException.
• D.The code does not compile.

Given:

What is the result?

• A.Ans : a
• B.The compilation fails.
• C.Ans :
• D.A java.util.NoSuchElementException is thrown at run time.