Les produits de Pass4Test sont préparés pour le test Certification Oracle 1Z0-850, y compris les formations et les informations ciblées au test Oracle 1Z0-850. D'ailleurs, la Q&A de Pass4Test qui est impressionnée par la grande couverture des questions et la haute précision des réponses vous permet à réussir le test avec une haute note.
Si vous choisissez notre l'outil formation, Pass4Test peut vous assurer le succès 100% du test Oracle 1Z0-850. Votre argent sera tout rendu si vous échouez le test.
Code d'Examen: 1Z0-850
Nom d'Examen: Oracle (Java Standard Edition 5 and 6, Certified Associate Exam)
Questions et réponses: 242 Q&As
Il y a nombreux façons à vous aider à réussir le test Oracle 1Z0-850. Le bon choix est l'assurance du succès. Pass4Test peut vous offrir le bon outil de formation, lequel est une documentation de qualité. La Q&A de test Oracle 1Z0-850 est recherchée par les experts selon le résumé du test réel. Donc l'outil de formation est de qualité et aussi autorisé, votre succès du test Oracle 1Z0-850 peut bien assuré. Nous allons mettre le jour successivement juste pour répondre les demandes de tous candidats.
Maintenant, beaucoup de professionnels IT prennent un même point de vue que le test Oracle 1Z0-850 est le tremplin à surmonter la pointe de l'Industrie IT. Beaucoup de professionnels IT mettent les yeux au test Certification Oracle 1Z0-850.
Le test Oracle 1Z0-850 est l'un très improtant dans tous les tests de Certification Oracle, mais c'est toujours difficile à obtenir ce Certificat. La présence de Pass4Test est pour soulager les candidats. L'équipe de Pass4Test peut vous aider à économiser le temps et l'éffort. Vous pouvez passer le test sans aucune doute sous l'aide de notre Q&A.
1Z0-850 Démo gratuit à télécharger: http://www.pass4test.fr/1Z0-850.html
NO.1 }
Which, inserted at line 8, produces the output 30?
A. static int calc(int n1, int n2) { return; }
B. public int calc(int n1, int n2) { return n1 + n2; }
C. public int calc(int n1, int n2) { return; }
D. static int calc(int n1, int n2) { return n1 + n2; }
E. static void calc(n1, n2) { return (n1 + n2); }
F. static int calc(int n1, n2) { return n1, n2; };
Answer: D
Oracle certification 1Z0-850 1Z0-850 1Z0-850 certification 1Z0-850
4.Given:
1. public abstract class Wow {
2. private int wow;
3. public Wow(int wow) {
4. this.wow = wow;
5. }
6. public void wow() { }
7. private void wowza() { }
8. }
Which is true about the class Wow?
A. It does NOT compile because an abstract class must have at least one abstract method.
B. It does NOT compile because an abstract class CANNOT have instance variables.
C. It compiles without error.
D. It does NOT compile because an abstract class CANNOT have private methods.
E. It does NOT compile because an abstract class must have a constructor with no arguments.
Answer: C
Oracle 1Z0-850 examen 1Z0-850 1Z0-850
5.Given:
1. class X {
2. private Y y;
3. public X(Y y) { this.y = y; }
4. }
5. class Y {
6. private X x;
7. public Y() { }
8. public Y(X x) { this.x = x; }
9. }
The instance variable y is intended to represent the composition relationship "X is composed of Y."
Which code correctly maintains this meaning?
A. X x1 = new X(new Y())
;
X x2 = new X(new Y())
;
B. X xx = new X(null)
;
Y y1 = new Y(xx)
;
Y y2 = new Y(xx)
;
C. Y yy = new Y()
;
X x1 = new X(yy)
;
X x2 = new X(yy)
;
D. Y y1 = new Y(new X(null))
;
Y y2 = new Y(new X(null))
;
Answer: A
Oracle 1Z0-850 1Z0-850 examen
6.Which type of J2EE component is used to store business data persistently?
A. stateless session beans
B. JavaBeans
C. stateful session beans
D. entity beans
E. JavaServer Pages
Answer: D
Oracle examen 1Z0-850 1Z0-850 examen 1Z0-850 1Z0-850 1Z0-850 examen
7.What is the purpose of JNDI?
A. to access native code from a Java application
B. to parse XML documents
C. to access various directory services using a single interface
D. to register Java Web Start applications with a web server
Answer: C
Oracle 1Z0-850 examen 1Z0-850 examen 1Z0-850 1Z0-850
8.Which two are true about HTML? (Choose two.)
A. HTML can set up hypertext links between documents.
B. HTML uses tags to structure text into headings, paragraphs, and lists.
C. HTML is an object-oriented programming language.
D. HTML documents CANNOT be browsed by a text editor.
Answer: A,B
certification Oracle 1Z0-850 1Z0-850 certification 1Z0-850 1Z0-850
9.Given:
4. class Example {
5. int x = 50;
6. int y = 100;
7. public static void main(String args[]) {
8. int x = 0, y = 10;
9. Example ex = new Example();
NO.2 else if (c == 'b')
NO.3 Given:
1. class Test {
2. public static void main(String args[]) {
3. int num1 = 10, num2 = 20, result;
NO.4 System.out.println("x = " + x + " , y = " + y);
NO.5 Which two are true? (Choose two.)
A. J2EE runs on consumer and embedded devices.
B. J2EE includes the MIDP API.
C. J2EE includes servlet APIs and EJB APIs.
D. J2EE application developers need J2SE.
E. J2EE applications depend on web servers.
Answer: C,D
Oracle 1Z0-850 1Z0-850 certification 1Z0-850 1Z0-850 examen 1Z0-850 examen
NO.6 }
NO.7 System.out.println(s);
What is the result?
A. aOcdefgabc
B. Compilation fails.
C. abOdefgabc
D. abXdefgabc
E. abOdefgabO
F. aOcdefgaOc
G. abXdefgabX
Answer: G
certification Oracle certification 1Z0-850 1Z0-850 1Z0-850 1Z0-850 1Z0-850 examen
17.Which package contains classes used to create data collections, such as maps or queues?
A. java.lang
B. java.io
C. java.awt
D. java.net
E. javax.swing
F. java.util
Answer: F
Oracle 1Z0-850 examen 1Z0-850
18.Given:
1. interface A { }
2. interface B { void b(); }
3. interface C { public void c(); }
4. abstract class D implements A,B,C { }
5. class E extends D {
6. void b() { }
7. public void c() { }
8. }
Which is true?
A. Compilation fails due to an error in line 6.
B. The code compiles without error.
C. Compilation fails due to an error in line 2.
D. Compilation fails due to an error in line 4.
E. Compilation fails due to an error in line 1.
Answer: A
Oracle 1Z0-850 1Z0-850 certification 1Z0-850
19.What type of relationship is needed to represent the relationship between students and the courses
they are enrolled in at a university?
A. a one-to-one composition
B. a one-to-one association
C. a many-to-many composition
D. a one-to-many composition
E. a one-to-many association
F. a many-to-many association
Answer: F
Oracle 1Z0-850 1Z0-850 examen 1Z0-850 examen
20.Which two are features of JNDI? (Choose two.)
A. an interface to store and retrieve named Java objects of any type
B. an interface to search for objects using attributes
C. a defined common set of messaging concepts and programming strategies
D. connectivity to databases and other tabular data sources
Answer: A,B
Oracle 1Z0-850 certification 1Z0-850 1Z0-850
NO.8 Which two are associated with the web tier in a J2EE web-based application.? (Choose two.)
A. servlets
B. JAX-RPC
C. JMS
D. entity beans
E. JSP
Answer: A,E
Oracle 1Z0-850 1Z0-850 examen 1Z0-850 1Z0-850
NO.9 Given:
12. String s = "abcdefgabc";
13. char c = s.charAt(2);
14.
15. if (c == 'c')
16. s = s.replace('c', 'X');
NO.10 else
NO.11 }
NO.12 // insert code here
NO.13 s = s.replace('b', 'O');
NO.14 }
What is the result?
A. Compilation fails because of an error at line 8.
B. x = 3 , y = 7
C. Compilation fails because of an error at line 11.
D. Compilation fails because of an error at line 9.
E. x = 53 , y = 97
F. Compilation fails because of an error at line 10.
Answer: B
Oracle examen 1Z0-850 1Z0-850 1Z0-850
10.You have developed a MIDlet that runs on a Java-enabled Personal Digital Assistant (PDA) device.
Now, your employer has asked you to port the MIDlet to run on other Java platforms. Which is true?
A. The MIDlet is 100% portable across all J2ME devices.
B. The MIDlet can run within a standard web browser.
C. The MIDlet is guaranteed to run correctly under J2SE.
D. The MIDlet is NOT guaranteed to run on a Java technology-enabled phone.
Answer: D
Oracle 1Z0-850 1Z0-850 examen
11.Which statement is true?
A. JMS enables an application to provide flexible, asynchronous data exchange.
B. JMS provides interfaces to naming and directory services.
C. The JMS API is located in the java.jms package.
D. JMS enables an application to provide tightly coupled, distributed communication.
Answer: A
Oracle 1Z0-850 certification 1Z0-850
12.Which two are true about stateless session beans? (Choose two.)
A. They are used to represent data stored in an RDBMS.
B. They implement the JMS API.
C. They are used to implement business logic.
D. They CANNOT hold client state.
Answer: C,D
Oracle examen certification 1Z0-850 1Z0-850 examen
13.Which two are true about javax.swing? (Choose two.)
A. It includes classes for creating buttons and panels.
B. It is used to create MIDlets.
C. It is used to create applications that have the same user interface on different platforms.
D. It uses the native GUI components of each platform.
Answer: A,C
Oracle examen certification 1Z0-850 1Z0-850 examen
14.Which two are true? (Choose two.)
A. An interface CANNOT be extended by another interface.
B. An abstract class CANNOT be extended by an abstract class.
C. An interface can be extended by an abstract class.
D. An abstract class can implement an interface.
E. An abstract class can be extended by a concrete class.
F. An abstract class can be extended by an interface.
Answer: D,E
Oracle 1Z0-850 1Z0-850 examen 1Z0-850 examen
15.Click the Exhibit button.
Which relationships, referenced by the class names involved, are drawn using valid UML notation?
A. AB, AC, BD, and CD
B. only AC, BD, and CD
C. only AB, AC, and BD
D. only AB and AC
E. only BD and CD
Answer: A
Oracle 1Z0-850 examen 1Z0-850 certification 1Z0-850
NO.15 result = calc(num1, num2);
NO.16 while (x < 3) {
NO.17 s = s.replace('c', 'O');
NO.18
NO.19 }
NO.20 x++; y--;
NO.21 System.out.println(result);
Pass4Test est un site web de vous offrir particulièrement les infos plus chaudes à propos de test Certification Oracle 1Z0-850. Pour vous assurer à nous choisir, vous pouvez télécharger les Q&As partielles gratuites. Pass4Test vous promet un succès 100% du test Oracle 1Z0-850.
没有评论:
发表评论