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Q71. - (Topic 1) 

Given: 

1.

 class Test { 

2.

 public static void main(String args[]) { 

3.

 String str = new String("Welcome"); 

4.

 // insert code here 

5.

 } 

6.

 } 

Which, inserted at line 4, produces the output true? 

A. System.out.println(str.trim()); 

B. System.out.println(str.startsWith("W")); 

C. System.out.println(str.indexOf("W")); 

D. System.out.println(str.startsWith('W')); 

E. System.out.println(str.indexOf(1)); 

Answer:


Q72. - (Topic 1) 

Which is an appropriate description of session beans? 

A. They are used to store persistent data. 

B. They are used to implement business processes. 

C. They are used to represent data in an RDBMS. 

D. They are used to share data among clients. 

Answer:


Q73. - (Topic 2) 

Which three are provided by the EJB tier in a multitier J2EE application? (Choose three.) 

A. dynamic content generation 

B. XML parsing 

C. transaction management 

D. security 

E. concurrency control 

Answer: C,D,E 


Q74. - (Topic 1) 

Which is true? 

A. The JDBC API is included in J2SE. 

B. JDBC is used to connect to MOM (Message-Oriented Middleware) products. 

C. All JDBC drivers are pure Java. 

D. The JDBC API is an extension of the ODBC API. 

Answer:


Q75. - (Topic 2) 

Given: 

11.

 public class Employee { 

12.

 public String name; 

13.

 // insert code here 

14. 

15.

 public String getName() { 

16.

 return name; 

17.

 } 

18. 

19.

 public int getSalary() { 

20.

 return salary; 

21.

 } 

22.

 } 

Which, when inserted at line 13, allows another class to get the value of the salary variable, but NOT change the value of the salary variable? 

A. readOnly int salary; 

B. secure int salary; 

C. private int salary; 

D. public int salary; 

E. hidden int salary; 

Answer:


Q76. - (Topic 2) 

Given: 

1.

 class Test { 

2.

 public static void main(String[] args) { 

3.

 int num = 1; 

4.

 for (num = 0; num < 3; ++num ) { 

5.

 num *= 2; 

6.

 } 

7.

 System.out.println("num = " + (num++)); 

8.

 } 

9.

 } 

What is the result? 

A. num = 2 

B. num = 4 

C. num = 3 

D. num = 5 

E. Compilation fails. 

Answer:


Q77. - (Topic 2) 

Given: 

18.

 String s = " abcdcba "; 

19.

 int x = 2; 

20.

 s = s.trim(); 

21.

 if (s.length() < 8) { 

22.

 x = s.indexOf('c', 3); 

23.

 } 

24.

 System.out.println("x = " + x); 

What is the result? 

A. x = 5 

B. x = 2 

C. x = 3 

D. x = 4 

E. x = 6 

Answer:


Q78. - (Topic 1) 

Given: 

1.

 class Book { 

2.

 public String title; 

3. 

4.

 public void setTitle(String title) { 

5.

 if (checkTitle(title)) this.title = title; 

6.

 } 

7.

 public String getTitle() { 

8.

 return title; 

9.

 } 

10.

 private boolean checkTitle(String newTitle) { 

11.

 // code that verifies proposed title change 

12.

 } 

13.

 } 

Which two are true? (Choose two.) 

A. The title attribute is protected from direct modification by outside code. 

B. The Book class demonstrates encapsulation. 

C. The Book class does NOT provide information hiding. 

D. The Book class adheres to the JavaBeans naming conventions. 

E. The checkTitle method can be accessed from outside the Book class. 

Answer: C,D 


Q79. - (Topic 2) 

Which three about JMS are true? (Choose three.) 

A. JMS is the acronym for Java Mail Service. 

B. JMS provides a common way for Java programs to access an enterprise messaging system's messages. 

C. JMS supports an event-oriented approach to message reception. 

D. JMS supports both synchronous and asynchronous message passing. 

E. JMS does NOT depend on MOM (Messaging-Oriented Middleware) products. 

Answer: B,C,D 


Q80. - (Topic 1) 

What is true about JavaScript clients? 

A. They CANNOT write to the client's hard drive. 

B. They must be hosted by J2EE containers. 

C. They require Java Web Start technology to be deployed. 

D. They support all standard J2SE syntax. 

Answer: