All the Oracle 1Z0-809 Practice test exam dumps are usually designed simply by our committed analyze preparers. They have rich experience inside compiling the Oracle Java and Middleware exam questions as well as answers. Our professionals also update the particular Java and Middleware 1Z0-809 testing engine simulated demos in time.
You should visit Testking's home page as well as download the latest Oracle 1Z0-809 testing engine exam practice questions. We offer that you may get the Java and Middleware certificate smoothly. 99% candidates have passed the particular exam after taking full good thing about our Java and Middleware 1Z0-809 questions studying components. You don't must worry about the particular quality regarding our Oracle Java and Middleware merchandise.
Avant-garde 1Z0-809 Simple Questions Latest Practice Test Questions VCE PDF Dumps
Qustion No. 1
Which statement is true about the DriverManager class?
A. It returns an instance of Connection.
B. it executes SQL statements against the database.
C. It only queries metadata of the database.
D. it is written by different vendors for their specific database.
Answer: A
Explanation: The DriverManager returns an instance of Doctrine\\DBAL\\Connection which is a wrapper around the underlying driver connection (which is often a PDO instance). Reference: http://doctrine-dbal.readthedocs.org/en/latest/reference/con...
Qustion No. 2
Given the code fragment:
9.
Connection conn = DriveManager.getConnection(dbURL, userName, passWord);
10.
String query = “SELECT id FROM Employee”;
11.
try (Statement stmt = conn.
createStatement())12.
ResultSet rs = stmt.executeQuery(query); 13.stmt.executeQuery(“SELECT id FROM Customer”);
14.
while (rs.next()) {
15.
//process the results 16.System.out.println(“Employee ID: “+ rs.getInt(“id”)); 17.
18.
} catch (Exception e)
19.
System.out.println (“Error”);
20.
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 and Customer tables are available and each table has id column with a few
records and the SQL queries are valid.
What is the result of compiling and executing this code fragment?
A. The program prints employee IDs.
B. The program prints customer IDs.
C. The program prints Error.
D. compilation fails on line 13.
Answer: D
Qustion No. 3
Given the code fragment:
List<String> nL = Arrays.asList(“Jim”, “John”, “Jeff”);
Function<String, String> funVal = s -> “Hello : “.contact(s);
nL.Stream()
.map(funVal)
.peek(System.out::print);
What is the result?
A. Hello : Jim Hello : John Hello : Jeff
B. Jim John Jeff
C. The program prints nothing.
D. A compilation error occurs.
Answer: D
Qustion No. 4
Given the class definitions:
And the code fragment of the main() method,
What is the result?
A. Java Java Java
B. Java Jeve va
C. Java Jeve ve
D. Compilation fails
Answer: D
Qustion No. 5
The data.doc, data.txt and data.xml files are accessible and contain text.
Given the code fragment:
Stream<Path> paths = Stream.of (Paths. get(“data.doc”),
Paths. get(“data.txt”),
Paths. get(“data.xml”));
paths.filter(s-> s.toString().endWith(“txt”)).forEach(
s ->
try {
Files.readAllLines(s)
.stream()
.forEach(System.out::println); //line n1
catch (IOException e)
System.out.println(“Exception”);
}
);
What is the result?
A. The program prints the content of data.txt file.
B. The program prints:
Exception
<<The content of the data.txt file>>
Exception
C. A compilation error occurs at line n1.
D. The program prints the content of the three files.
Answer: D
We have each of the necessary Oracle 1Z0-809 testing engine practice questions as well as answers which are closely equal for the Java and Middleware 1Z0-809 testing engine actual exam. The Oracle Java and Middleware exam dumps are put together and verified by way of multiple times. All the Java and Middleware 1Z0-809 testing engine exam syllabuses are integrated in our 1Z0-809 testing engine merchandise. The type of Oracle practice questions will be the same because real Java and Middleware 1Z0-809 testing engine exam, that is multiple choice which can make you like on the true test evening.
To know more about the 1Z0-809, click allfreedumps.com.