Which two statements are true about synchronization and locks? (Choose two.)

• A.Threads cannot acquire intrinsic locks on classes.
• B.The intrinsic lock will be retained by a thread if return from a synchronized method is caused by an
  uncaught exception.
• C.A thread automatically acquires the intrinsic lock on a synchronized method's object when entering that
  method.
• D.A thread exclusively owns the intrinsic lock of an object between the time it acquires the lock and the
  time it releases it.
• E.A thread automatically acquires the intrinsic lock on a synchronized statement when executed.

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Given:

and the code fragment:

What is the result?

• A.A compilation error occurs.
• B.2000.0
• C.1500.0
• D.0.0

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Given the code fragments:

What is the result?

• A.Super Sub Sub
• B.Contract Contract Super
• C.Compilation fails at line n1
• D.Compilation fails at line n2

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Which two statements are true for a two-dimensional array of primitive data type?

• A.It cannot contain elements of different types.
• B.The length of each dimension must be the same.
• C.At the declaration time, the number of elements of the array in each dimension must be specified.
• D.All methods of the class object may be invoked on the two-dimensional array.

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Given the code fragment:

Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the dbURL, userName, and passWord exists
The Employee table has a column ID of type integer and the SQL query matches one record.
What is the result?

• A.The code prints the employee ID.
• B.Compilation fails at line 14.
• C.Compilation fails at line 15.
• D.The code prints Error.

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