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Oracle Java SE 8 Programmer II Sample Questions (Q10-Q15):

NEW QUESTION # 10
Given:

What is the result?

A. nbo
B. nb
C. box
D. bo
E. An exception is thrown at runtime

Answer: E

NEW QUESTION # 11
Given:

What change should you make to guarantee a single order of execution (printed values 1 -100 in order)?

A. Line 1: class MyClass extends Thread {
B. Line 2: public volatile int value;
C. Line 2: public synchronized int value;
D. Line 3: public synchronized void run() {

Answer: A

NEW QUESTION # 12
For which three objects must a vendor provide implementations in its JDBC driver? (Choose three.)

A. Statement
B. Date
C. ResultSet
D. SQLException
E. Connection
F. Time
G. DriverManager

Answer: A,C,E

Explanation:
Database vendors support JDBC through the JDBC driver interface or through the ODBC connection. Each driver must provide implementations of java.sql.Connection, java.sql.Statement, java.sql.PreparedStatement, java.sql.CallableStatement, and java.sql.Re sultSet. They must also implement the java.sql.Driver interface for use by the generic java.sql.DriverManager interface.

NEW QUESTION # 13
Given the records from the Employeetable:

and given the code fragment:
try {
Connection conn = DriverManager.getConnection (URL, userName, passWord); Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
ResultSet.CONCUR_UPDATABLE);
st.execute("SELECT*FROM Employee");
ResultSet rs = st.getResultSet();
while (rs.next()) {
if (rs.getInt(1) ==112) {
rs.updateString(2, "Jack");
}
}
rs.absolute(2);
System.out.println(rs.getInt(1) + " " + rs.getString(2));
} catch (SQLException ex) {
System.out.println("Exception is raised");
}
Assume that:
The required database driver is configured in the classpath.
The appropriate database accessible with the URL, userName, and passWordexists.
What is the result?

A. The program prints Exception is raised.
B. The Employee table is updated with the row:
1 12 Jack
and the program prints:
1 12 Jerry
C. The Employee table is not updated and the program prints:
1 12 Jerry
D. The Employee table is updated with the row:
1 12 Jack
and the program prints:
1 12 Jack

Answer: A

NEW QUESTION # 14
Given the structure of the STUDENT table:
Student (id INTEGER, name VARCHAR)
Given:
public class Test {
static Connection newConnection =null;
public static Connection get DBConnection () throws SQLException {
try (Connection con = DriveManager.getConnection(URL, username, password)) { newConnection = con;
}
return newConnection;
}
public static void main (String [] args) throws SQLException {
get DBConnection ();
Statement st = newConnection.createStatement();
st.executeUpdate("INSERT INTO student VALUES (102, 'Kelvin')");
}
}
Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the URL, userName, and passWord exists.
The SQL query is valid.
What is the result?

A. The program executes successfully and the STUDENT table is NOT updated with any record.
B. A SQLException is thrown as runtime.
C. A NullPointerException is thrown as runtime.
D. The program executes successfully and the STUDENT table is updated with one record.

Answer: C

NEW QUESTION # 15
......

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