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QUESTION NO: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

Correct Answer: F


QUESTION NO: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

Correct Answer: AB


QUESTION NO:41

Which three classes are part of the java.io package? (Choose three.)

A. File

B. Socket

C. URL

D. Reader

E. String

F. BufferedWriter

Correct Answer: ADF


QUESTION NO:100

Given:

6. int time = 12;

7. if ( time < 12 ) {

8. System.out.println(“Good morning”);

9. }

10. // insert code here

11. System.out.println(“Good afternoon”);

12. }

13. else if ( time >= 18 ) {

14. System.out.println(“Good evening”);

15. }

Which three, inserted independently at line 10, produce the output Good afternoon? (Choose three.)

A. else if ( time > 12 || time <= 18 ) {

B. else if ( time > 12 andand time >= 18 ) {

C. if ( time >= 12 andand time < 18 ) {

D. else if ( time >= 12 || time < 18 ) {

E. else if ( time 18) {

Correct Answer: ACD


QUESTION NO:71

Click the Exhibit button. Which correctly implements the relationship shown in the diagram?

A. class Cat {Dog d;}class Dog { }

B. class Cat { }class Dog {Cat c;}

C. class Cat { }class Dog { }

D. class Cat {Dog d;}class Dog {Cat c;}

Correct Answer: D


QUESTION NO: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.

Correct Answer: A


QUESTION NO:46

Which two are true about J2ME? (Choose two.)

A. It provides a built-in database.

B. It is the foundation platform for J2SE.

C. It can be used to create applications that run on mobile phones.

D. It can be used to create Swing applications.

Correct Answer: AC


QUESTION NO:87

A business-tier service is being developed that will provide credit card validation. The service is not

associated with a specific client, but is available to all clients. The service also has to be as efficient as

possible. Which J2EE component matches these needs?

A. entity bean

B. stateful session bean

C. stateless session bean

D. servlet

E. JNDI

Correct Answer: C


QUESTION NO: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();

10. while (x < 3) {

11. x ; y–;

12. }

13. System.out.println(“x = ” x ” , y = ” y);

14. }

15. }

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.

Correct Answer: B


QUESTION NO:98

Which two symbols are used to indicate the visibility of an attribute in UML? (Choose two.)

A. B.

C. and

D. $

E. *

Correct Answer: AB


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