1Z1-804 試験問題を無料オンラインアクセス

Which three are true?

• A.A setAutoCommit (False) method invocation starts a transaction context.
• B.A rollback () method invocation releases any database locks currently held by this connection object.
• C.After calling rollback (mysavepoint), you must close the savepoint object by calling mySavepoint.close() .
• D.A rollback () method invocation rolls a transaction back to the last savepoint.
• E.An instance of Savepoint represents a point in the current transaction context.

Given: And the command-line invocation: Java Tracker 12 11

What is the result?

• A.class java.lang.RuntimeException
• B.General category
• C.class InvalidAgeException
• D.class java.lang.IllegalArgumentException

Given the following code fragment:

What is the result?

• A.One
• B.Three
• C.The program runs, but prints no outout
• D.Compilation fails

Given:

What is the result?

• A.Compilation fails
• B.John Adams George Washington Thomas Jefferson
• C.Thomas Jefferson John Adams George Washington
• D.George Washington John Adams Thomas Jefferson
• E.An exception is thrown at runtime

Given the code fragment:

What is the result, if the file salesreport.dat does not exist?

• A.Compilation fails only at line 13
• B.Compilation fails at line 6 and 13
• C.Class java.io.FileNotFoundException
• D.Class java.io.IOException
• E.Compilation fails only at line 6