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Oracle Java SE 8 Programmer II Sample Questions (Q179-Q184):

NEW QUESTION # 179
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.getInt("Id"));
16. System.out.println("Description: " + rs.getString("Descrip"));
17. System.out.println("Price: " + rs.getDouble("Price"));
18. System.out.println(Quantity: " + rs.getInt("Quantity"));
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?

A. The code prints information about Item 110.
B. Compilation fails.
C. An exception is thrown at runtime.
D. The code prints Error.

Answer: A

NEW QUESTION # 180
Given:
class Sum extends RecursiveAction { //line n1
static final int THRESHOLD_SIZE = 3;
int stIndex, lstIndex;
int [ ] data;
public Sum (int [ ]data, int start, int end) {
this.data = data;
this stIndex = start;
this. lstIndex = end;
}
protected void compute ( ) {
int sum = 0;
if (lstIndex - stIndex <= THRESHOLD_SIZE) {
for (int i = stIndex; i < lstIndex; i++) {
sum += data [i];
}
System.out.println(sum);
} else {
new Sum (data, stIndex + THRESHOLD_SIZE, lstIndex).fork( );
new Sum (data, stIndex,
Math.min (lstIndex, stIndex + THRESHOLD_SIZE)
).compute ();
}
}
}
and the code fragment:
ForkJoinPool fjPool = new ForkJoinPool ( ); int data [ ] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} fjPool.invoke (new Sum (data, 0, data.length));
and given that the sum of all integers from 1 to 10 is 55. Which statement is true?

A. A compilation error occurs at line n1.
B. The program prints 55.
C. The program prints several values that total 55.
D. The program prints several values whose sum exceeds 55.

Answer: A

NEW QUESTION # 181
Given the code fragment:

Which code fragment prints blue, cyan, ?

A. Option D
B. Option A
C. Option C
D. Option B

Answer: B

NEW QUESTION # 182
Given the code fragment:

Which two code fragments, when inserted at line n1independently, result in the output PEEK: Unix?

A. .findAny ();
B. allMatch ();
C. .noneMatch ();
D. .findFirst ();
E. anyMatch ();

Answer: A,D

NEW QUESTION # 183
Given the code fragment:
Map<Integer, String> books = new TreeMap<>();
books.put (1007, "A");
books.put (1002, "C");
books.put (1003, "B");
books.put (1003, "B");
System.out.println (books);
What is the result?

A. {1002=C, 1003=B, 1007=A}
B. {1007=A, 1003=B, 1002=C}
C. {1007=A, 1003=B, 1003=B, 1002=C}
D. {1007=A, 1002=C, 1003=B, 1003=B}

Answer: A

NEW QUESTION # 184
......

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