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Oracle Java SE 8 Programmer II Sample Questions (Q29-Q34):
NEW QUESTION # 29
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 passWordexists The Employeetable has a column ID of type integer and the SQL query matches one record.
What is the result?
Answer: A
NEW QUESTION # 30
Given the code fragments:
and
What is the result?
Answer: B
NEW QUESTION # 31
Given:
Item table
* ID, INTEGER: PK
* DESCRIP, VARCHAR(100)
* PRICE, REAL
* QUANTITY< INTEGER
And given the code fragment:
9. try {
10.Connection conn = DriveManager.getConnection(dbURL, username, password);
11. String query = "Select * FROM Item WHERE ID = 110";
12. Statement stmt = conn.createStatement();
13. ResultSet rs = stmt.executeQuery(query);
14.while(rs.next()) {
15.System.out.println("ID:" + rs.getString(1));
16.System.out.println("Description:" + rs.getString(2));
17.System.out.println("Price:" + rs.getString(3));
18. System.out.println(Quantity:" + rs.getString(4));
19.}
20. } catch (SQLException se) {
21. System.out.println("Error");
22. }
Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the dbURL, userName, and passWord exists.
The SQL query is valid.
What is the result?
Answer: D
NEW QUESTION # 32
Given:
public final class IceCream {
public void prepare() {}
}
public class Cake {
public final void bake(int min, int temp) {}
public void mix() {}
}
public class Shop {
private Cake c = new Cake ();
private final double discount = 0.25;
public void makeReady () { c.bake(10, 120); }
}
public class Bread extends Cake {
public void bake(int minutes, int temperature) {}
public void addToppings() {}
}
Which statement is true?
Answer: B
NEW QUESTION # 33
What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?
Answer: E
Explanation:
Using the private modifier is the main way that an object encapsulates itself and hide data from the outside world.
http://www.tutorialspoint.com/java/java_access_modifiers.htm
NEW QUESTION # 34
......
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