Oracle 1Z0-809 Exam Questions - Real Practice Questions for Guaranteed Success

Question 1

Which code fragment is required to load a JDBC 3.0 driver?

AConnection con = Connection.getDriver(''jdbc:xyzdata://localhost:3306/EmployeeDB'');

BClass.forName(''org.xyzdata.jdbc.NetworkDriver'');

CConnection con = DriverManager.getConnection(''jdbc:xyzdata://localhost:3306/EmployeeDB'');

DDriverManager.loadDriver (''org.xyzdata.jdbc.NetworkDriver'');

Correct : B

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AConnection con = Connection.getDriver(''jdbc:xyzdata://localhost:3306/EmployeeDB'');

BClass.forName(''org.xyzdata.jdbc.NetworkDriver'');

CConnection con = DriverManager.getConnection(''jdbc:xyzdata://localhost:3306/EmployeeDB'');

DDriverManager.loadDriver (''org.xyzdata.jdbc.NetworkDriver'');

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Question 2

Given:

Which option fails?

AFoo<String, Integer> mark = new Foo<String, Integer> (''Steve'', 100);

BFoo<String, String> pair = Foo.<String>twice (''Hello World!'');

CFoo<Object, Object> percentage = new Foo<String, Integer>(''Steve'', 100);

DFoo<String, String> grade = new Foo <> (''John'', ''A'');

Correct : A

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AFoo<String, Integer> mark = new Foo<String, Integer> (''Steve'', 100);

BFoo<String, String> pair = Foo.<String>twice (''Hello World!'');

CFoo<Object, Object> percentage = new Foo<String, Integer>(''Steve'', 100);

DFoo<String, String> grade = new Foo <> (''John'', ''A'');

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Question 3

Given:

and the code fragment:

What is the result?

BA compilation error occurs at line n1.

CAn Exception is thrown at run time.

Correct : B

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BA compilation error occurs at line n1.

CAn Exception is thrown at run time.

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Question 4

Given:

and the code fragment:

What is the result?

A0.0

B1500.0

CA compilation error occurs.

D2000.0

Correct : B

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A0.0

B1500.0

CA compilation error occurs.

D2000.0

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Question 5

Given:

and the code fragment:

What is the result?

A[Java EE: Helen:Houston][Java ME: Jessy:Chicago, Java ME: Mark:Chicago]

BJava EEJava ME

C[Java ME: Jessy:Chicago, Java ME: Mark:Chicago][Java EE: Helen:Houston]

DA compilation error occurs.

Correct : D

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A[Java EE: Helen:Houston][Java ME: Jessy:Chicago, Java ME: Mark:Chicago]

BJava EEJava ME

C[Java ME: Jessy:Chicago, Java ME: Mark:Chicago][Java EE: Helen:Houston]

DA compilation error occurs.

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Master Oracle 1Z0-809 Exam with Reliable Practice Questions

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