Certification SUN de téléchargement gratuit pratique d'examen 310-814 310-025, questions et réponses

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Code d'Examen: 310-814
Nom d'Examen: SUN (MySQL 5.0, 5.1 and 5.5 Certified Associate Exam)
Questions et réponses: 240 Q&As

Code d'Examen: 310-025
Nom d'Examen: SUN (Sun Java Certified Programmer)
Questions et réponses: 160 Q&As

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310-814 Démo gratuit à télécharger: http://www.pass4test.fr/310-814.html

NO.1 Fill in the blank with the appropriate term.
A provides a concise and flexible means for matching strings of text,
suchas particular characters, words, or patterns of characters.
A. regular expression
Answer: A

SUN examen   certification 310-814   certification 310-814   310-814 examen   310-814

NO.2 You work as a Database Administrator for a company. The company uses the MySQL database.
You have created a new table named Employees in the database and performed update operation but
you got an error because of the last transaction. Now, you want to terminate the last transaction. Which of
the following commands can you use to accomplish the task?
Each correct answer represents a complete solution. Choose all that apply.
A. ROLLBACK
B. REMOVE
C. DELETE
D. COMMIT
Answer: A,D

SUN examen   certification 310-814   certification 310-814

NO.3 Fill in the blank with the appropriate word.
The data type defines a date that is combined with a time of day along with fractional
seconds that is based on a 24-hour clock.
A. datetime
Answer: A

certification SUN   310-814 examen   310-814 examen   certification 310-814   310-814 examen

NO.4 You work as a Database Administrator for a company. The company uses MySQL as its database
development platform. You have created a table named Employees in the database. You want to
display the names of the employees whose salary is more than $5000, but you do not want to
display any duplicate content. Therefore, you have written the following query:
SELECT emp_id, DISTINCT emp_name WHERE salary > 5000
FROM Employees;
Which of the following statements is true about the above query?
A. The statement will display only unique names whose salary is more than $5000.
B. The UNIQUE clause should be used in place of the DISTINCT clause.
C. The statement will give an error.
D. The statement will display those records whose salary is more than $5000.
Answer: C

certification SUN   310-814 examen   certification 310-814

NO.5 You work as a Database Administrator for a company. The company uses MySQL as its database.
You have written two statements, which are as follows:
1. SELECT DISTINCT OBJECT_TYPE
FROM USER_OBJECTS;
2. SELECT OBJECT_TYPE
FROM ALL_OBJECTS;
Which of the following options explains the difference between the results of these two
statements? Each correct answer represents a complete solution. Choose all that apply.
A. The first statement will display distinct object types that can be accessed by the user.
B. The second statement will display all object types that a user can access.
C. The first statement will display distinct object types owned by a user.
D. The second statement will display all object types owned by a user.
Answer: B,C

certification SUN   310-814   310-814 examen   310-814 examen

NO.6 Which of the following functions can be performed by a view?
Each correct answer represents a complete solution. Choose all that apply.
A. Restrict a user to specific columns in a table.
B. Contain a sub query in the FROM clause.
C. Join columns from multiple tables, so that they look like a single table.
D. Restrict a user to specific rows in a table.
Answer: A,C,D

certification SUN   certification 310-814   certification 310-814   310-814

NO.7 You work as a Database Administrator for a company. The company uses the MySQL database.
You have created a table named Employees. The table contains the following structurE.
The company has three departments. A task has been assigned to you to calculate the sum of the
average length of employees' last name per department. Which of the following queries will you
execute to accomplish the task?
A. SELECTSUM(AVG(LENGTH(last_name))) FROM Employees HAVING department_id;
B. SELECTSUM(AVG(LENGTH(last_name))) FROM Employees GROUP BY department_id;
C. SELECTSUM(AVG(LENGTH(last_name))) FROM Employees WHERE department_id=NOT
NU LL;
D. SELECTSUM(AVG(LENGTH(last_name))) FROM Employees ORDER BY department_id;
Answer: B

certification SUN   certification 310-814   certification 310-814

NO.8 Adam works as a Database Administrator for a company. He creates a table named Students. He wants
to create a new table named Class with the help of the Students table. Which of the
following syntaxes will Adam use to accomplish the task?
A. CREATE TABLE Class
INSERT INTO SELECT * FROM Students;
B. CREATE TABLE Class
FROM SELECT * FROM Students;
C. CREATE TABLE Class
(SELECT * FROM Students);
D. CREATE TABLE Class
AS SELECT * FROM Students;
Answer: D

certification SUN   certification 310-814   310-814 examen

Les meilleures SUN 310-019 310-025 310-066 310-065 310-502 examen pratique questions et réponses

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Code d'Examen: 310-019

Nom d'Examen: SUN (Sun Certified Associate.Java Platform.Se. Exam Version 1.0)

Questions et réponses: 242 Q&As

Code d'Examen: 310-025

Nom d'Examen: SUN (Sun Java Certified Programmer)

Questions et réponses: 160 Q&As

Code d'Examen: 310-066

Nom d'Examen: SUN (Upgrade EXAM for the Sun Certified for Java Programmer.SE6.0)

Questions et réponses: 96 Q&As

Code d'Examen: 310-065

Nom d'Examen: SUN (Sun Certified Programmer for the Java 2 Platform. SE6.0)

Questions et réponses: 287 Q&As

Code d'Examen: 310-502

Nom d'Examen: SUN (Sun Certified JCAPS Integrator)

Questions et réponses: 60 Q&As

310-065 Démo gratuit à télécharger: http://www.pass4test.fr/310-065.html

NO.1 System.out.println(x);

NO.2 }

NO.3 }
What is the result?
A. 4321
B. 0000
C. An exception is thrown at runtime.
D. Compilation fails because of an error in line 18.
Answer: D

certification SUN   310-065 examen   310-065 examen
12. Given:
11. public class Rainbow {
12. public enum MyColor {
13 RED(0xff0000), GREEN(0x00ff00), BLUE(0x0000ff);
14. private final int rgb;
15. MyColor(int rgb) { this.rgb = rgb; }
16. public int getRGB() { return rgb; }
17. };
18. public static void main(String[] args) {
19. // insert code here
20. }
21. }
Which code fragment, inserted at line 19, allows the Rainbow class to compile?
A. MyColor skyColor = BLUE;
B. MyColor treeColor = MyColor.GREEN;
C. if(RED.getRGB() < BLUE.getRGB()) { }
D. Compilation fails due to other error(s) in the code.
E. MyColor purple = new MyColor(0xff00ff);
F. MyColor purple = MyColor.BLUE + MyColor.RED;
Answer: B

SUN   310-065 examen   certification 310-065   certification 310-065
13. Given:
11. class Mud {
12. // insert code here
13. System.out.println("hi");
14 }
15. }
And the following five fragments:
public static void main(String...a) {
public static void main(String.* a) {
public static void main(String... a) {
public static void main(String[]... a) {
public static void main(String...[] a) {
How many of the code fragments, inserted independently at line 12, compile?
A. 0
B. 1
C. 2
D. 3
E. 4
F. 5
Answer: D

SUN   310-065 examen   310-065 examen
14. Given:
5. class Atom {
6. Atom() { System.out.print("atom "); }
7. }
8. class Rock extends Atom {
9. Rock(String type) { System.out.print(type); }
10. }
11. public class Mountain extends Rock {
12. Mountain() {
13. super("granite ");
14. new Rock("granite ");
15. }
16. public static void main(String[] a) { new Mountain(); }
17. }
What is the result?
A. Compilation fails.
B. atom granite
C. granite granite
D. atom granite granite
E. An exception is thrown at runtime.
F. atom granite atom granite
Answer: F

SUN   310-065 examen   310-065   310-065
15. Given:
1. interface TestA { String toString(); }
2. public class Test {
3. public static void main(String[] args) {
4. System.out.println(new TestA() {
5. public String toString() { return "test"; }
6. });
7. }
8. }
What is the result?
A. test
B. null
C. An exception is thrown at runtime.
D. Compilation fails because of an error in line 1.
E. Compilation fails because of an error in line 4.
F. Compilation fails because of an error in line 5.
Answer:A

SUN examen   310-065   310-065
16. Given:
11. public static void parse(String str) {
12. try {
13. float f = Float.parseFloat(str);
14. } catch (NumberFormatException nfe) {
15. f = 0;
16. } finally {
17 System.out.println(f);
18. }
19. }
20. public static void main(String[] args) {
21. parse("invalid");
22. }
What is the result?
A. 0.0
B. Compilation fails.
C. A ParseException is thrown by the parse method at runtime.
D. A NumberFormatException is thrown by the parse method at runtime.
Answer: B

certification SUN   310-065 examen   310-065 examen
17. Given:
1. public class Blip {
2. protected int blipvert(int x) { return 0; }
3. }
4. class Vert extends Blip {
5. // insert code here
6. }
Which five methods, inserted independently at line 5, will compile? (Choose five.)
A. public int blipvert(int x) { return 0; }
B. private int blipvert(int x) { return 0; }
C. private int blipvert(long x) { return 0; }
D. protected long blipvert(int x) { return 0; }
E. protected int blipvert(long x) { return 0; }
F. protected long blipvert(long x) { return 0; }
G. protected long blipvert(int x, int y) { return 0; }
Answer: ACEFG

SUN examen   certification 310-065   310-065   310-065 examen
18. Given:
1. class Super {
2. private int a;
3. protected Super(int a) { this.a = a; }
4. } ...
11. class Sub extends Super {
12. public Sub(int a) { super(a); }
13. public Sub() { this.a = 5; }
14. }
Which two, independently, will allow Sub to compile? (Choose two.)
A. Change line 2 to:public int a;
B. Change line 2 to: protected int a;
C. Change line13 to:public Sub() { this(5); }
D. Change line 13 to:public Sub() { super(5); }
E. Change line13 to:public Sub() { super(a); }
Answer: CD

SUN   310-065   310-065 examen
19. Which Man class properly represents the relationship "Man has a best friend who is a Dog"?
A. class Man extends Dog { }
B. class Man implements Dog { }
C. class Man { private BestFriend dog; }
D. class Man { private Dog bestFriend; }
E. class Man { private Dog<bestFriend>; }
F. class Man { private BestFriend<dog>; }
Answer: D

SUN examen   310-065 examen   310-065   certification 310-065   certification 310-065
20. Given:
1. package test;
2.
3. class Target {
4. public String name = "hello";
5. }
What can directly access and change the value of the variable name?
A. any class
B. only the Target class
C. any class in the test package
D. any class that extends Target
Answer: C

SUN   310-065   310-065 examen

NO.4 System.out.println("run.");

NO.5 Thread t = new Thread(new Threads2());

NO.6 public Starter() {

NO.7 }
Which statement is true?
A. This code can throw an InterruptedException.
B. This code can throw an IllegalMonitorStateException.
C. This code can throw a TimeoutException after ten minutes.
D. Reversing the order of obj.wait() and obj.notify() might cause this method to complete normally.
E. A call to notify() or notifyAll() from another thread might cause this method to complete normally.
F. This code does NOT compile unless "obj.wait()" is replaced with "((Thread) obj).wait()".
Answer: B

certification SUN   certification 310-065   310-065
4. Click the Exhibit button.What is the output if the main() method is run?
Given:
10. public class Starter extends Thread {
11. private int x = 2;
12. public static void main(String[] args) throws Exception {
13. new Starter().makeItSo();

NO.8 }
A. 4
B. 5
C. 8
D. 9
E. Compilation fails.
F. An exception is thrown at runtime.
G. It is impossible to determine for certain.
Answer: D

SUN   certification 310-065   310-065   310-065 examen   310-065 examen   certification 310-065
5. Given:
11.class PingPong2 {
12.synchronized void hit(long n) {
13.for(int i = 1; i < 3; i++)
14.System.out.print(n + "-" + i + " ");
15.}
16.}
17.public class Tester implements Runnable {
18.static PingPong2 pp2 = new PingPong2();
19.public static void main(String[] args) {
20.new Thread(new Tester()).start();
21.new Thread(new Tester()).start();
22.}
23.public void run() { pp2.hit(Thread.currentThread().getId()); }
24.}
Which statement is true?
A. The output could be 5-1 6-1 6-2 5-2
B. The output could be 6-1 6-2 5-1 5-2
C. The output could be 6-1 5-2 6-2 5-1
D. The output could be 6-1 6-2 5-1 7-1
Answer: B

SUN examen   certification 310-065   310-065
6. Given:
1. public class Threads4 {
2. public static void main (String[] args) {
3. new Threads4().go();
4. }
5. public void go() {
6. Runnable r = new Runnable() {
7. public void run() {
8. System.out.print("foo");
9. }
10. };
11. Thread t = new Thread(r);
12. t.start();
13. t.start();
14. }
15. }
What is the result?
A. Compilation fails.
B. An exception is thrown at runtime.
C. The code executes normally and prints "foo".
D. The code executes normally, but nothing is printed.
Answer: B

SUN examen   310-065 examen   certification 310-065   310-065
7. Given:
11. public abstract class Shape {
12. private int x;
13. private int y;
14. public abstract void draw();
15. public void setAnchor(int x, int y) {
16. this.x = x;
17. this.y = y;
18. }
19. }
Which two classes use the Shape class correctly? (Choose two.)
A. public class Circle implements Shape {private int radius; }
B. public abstract class Circle extends Shape { private int radius; }
C. public class Circle extends Shape { private int radius; public void draw(); }
D. public abstract class Circle implements Shape { private int radius; public void draw(); }
E. public class Circle extends Shape { private int radius; public void draw() {/* code here */}
F. public abstract class Circle implements Shape { private int radius; public void draw() { /* code here */ }
Answer: BE

SUN   310-065   310-065 examen   310-065 examen
8. Given:
11. public class Barn {
12. public static void main(String[] args) {
13. new Barn().go("hi", 1);
14. new Barn().go("hi", "world", 2);
15. }
16. public void go(String... y, int x) {
17. System.out.print(y[y.length - 1] + " ");
18. }
19. }
What is the result?
A. hi hi
B. hi world
C. world world
D. Compilation fails.
E. An exception is thrown at runtime.
Answer: D

SUN   310-065   310-065   certification 310-065   certification 310-065
9.Given:
10.class Nav{
11. public enum Direction { NORTH, SOUTH, EAST, WEST }
12. }
13. public class Sprite{
14. // insert code here
15. }
Which code, inserted at line 14, allows the Sprite class to compile?
A. Direction d = NORTH;
B. Nav.Direction d = NORTH;
C. Direction d = Direction.NORTH;
D. Nav.Direction d = Nav.Direction.NORTH;
Answer: D

certification SUN   310-065   310-065   310-065
10. Click the Exhibit button.
1. public interface A {
2. public void doSomething(String thing);
3. }
1. public class AImpl implements A {
2. public void doSomething(String msg) { }
3. }
1. public class B {
2. public A doit() {
3. // more code here
4. }
5.
6. public String execute() {
7. // more code here
8. }
9. }
1. public class C extends B {
2. public AImpl doit() {
3. // more code here
4. }
5.
6. public Object execute() {
7. // more code here
8. }
9. }
Which statement is true about the classes and interfaces in the exhibit?
A. Compilation will succeed for all classes and interfaces.
B. Compilation of class C will fail because of an error in line 2.
C. Compilation of class C will fail because of an error in line 6.
D. Compilation of class AImpl will fail because of an error in line 2.
Answer: C

certification SUN   certification 310-065   310-065   certification 310-065   310-065
11. Click the Exhibit button.
11. class Person {
12. String name = "No name";
13. public Person(String nm) { name = nm; }
14. }
15.
16. class Employee extends Person {
17. String empID = "0000";
18. public Employee(String id) { empID = id; }
19. }
20.
21. public class EmployeeTest {
22. public static void main(String[] args) {
23. Employee e = new Employee("4321");
24. System.out.println(e.empID);
25. }

NO.9 t.start();

NO.10 public static void main(String[] args) {

NO.11 }
Which two can be results? (Choose two.)
A. java.lang.RuntimeException: Problem
B. run. java.lang.RuntimeException: Problem
C. End of method. java.lang.RuntimeException: Problem
D. End of method. run. java.lang.RuntimeException: Problem
E. run. java.lang.RuntimeException: ProblemEnd of method.
Answer: DE

certification SUN   310-065   310-065
2. Which two statements are true? (Choose two.)
A. It is possible for more than two threads to deadlock at once.
B. The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
C. Deadlocked threads release once their sleep() method's sleep duration has expired.
D. Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.
E. It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
F. If a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by
insertinginvocations of Thread.yield().
Answer:AF

certification SUN   310-065   310-065   310-065 examen
3. Given:
7.void waitForSignal() {
8.Object obj = new Object();
9.synchronized (Thread.currentThread()) {
10.obj.wait();
11.obj.notify();
12.}

NO.12 }

NO.13 }

NO.14 join();

NO.15 public void run() { x *= 2; }

NO.16 }

NO.17 }

NO.18 throw new RuntimeException("Problem");

NO.19 x = x - 1;

NO.20

NO.21 start();

NO.22 public void run() {

NO.23 Given:
1. public class Threads2 implements Runnable {

NO.24 public void makeItSo() throws Exception {

NO.25 x = 5;

NO.26 System.out.println("End of method.");