GSSP-JAVA questions and answers

You work as a Software Developer for UcTech Inc. You build an online book shop, so that users can purchase books using their credit cards. You want to ensure that only the administrator can access the credit card information sent by users.

Which security mechanism will you use to accomplish the task?

Identify whether the given statement is true or false. "An object becomes eligible for garbage collection when it becomes unreachable by any code."

Mark works as a Programmer for InfoTech Inc. He develops an application named JavaServices. He wants to declare a security constraint that will restrict everything in the com/files directory so that security role of Admin can invoke any http methods on the resources.

Which of the following element declarations will be used to accomplish the task?

Harry works as a Software Developer for SoftTech Inc. He has developed a Java application to perform various SQL statements such as INSERT, UPDATE, etc., against a database table named Employee. He has used the executeUpdate() method to perform various SQL queries and to know the exact affected rows in the database if any of the operations is performed against the database table.

Which of the following types of values is returned by this method?

Which of the following methods are used to customize object serialization so that the objects will be able to apply default serialization?

Each correct answer represents a complete solution. Choose two.

Which of the following statements is true about the Java synchronized keyword?

Which of the following attribute scopes does not exist for a Servlet?

Which of the following exceptions will be thrown if the caller does not have permission to invoke the doAsPrivileged method?

Which of the following methods performs the authentication of subject and, if successful, associates Principals and Credentials with the authenticated Subject?

Mark works as a Programmer for InfoNet Inc. He writes the following programs.

1. package book;
2. public class read
3. {
4. (access modifier) int r1=10;
5. }
1. package book1;
2. import book.read;
3. class Doread extends read
4. {
5. public void test()
6. {
7. System.out.println("The value of r1 is." +r1);
8. }
9. }

Which of the following access modifiers will be put in the place of the word, (access modifier), to compile the program successfully?

Which of the following statements about a JAR file are true? Each correct answer represents a complete solution. Choose all that apply.

Samantha works as a Software Developer for Bluetech Inc. She develops a class Warden that needs to access the Hostel class. The Hostel class is deployed in a JAR named City.JAR.

What should be done so that during compilation the Warden class has access to the Hostel class?

Which of the following symbols is used to designate a named input parameter?

Given the following directory structure.

Assuming that the current directory is com, which of the below options can be used to create a jar file called TestJar.jar that contains all the files from the directory testApp?

Mark works as a Programmer for InfoTech Inc. He develops a Website that uses HTML and processes HTML validation. Which of the following are the advantages of the HTML application?

Each correct answer represents a complete solution. Choose all that apply.

Which of the following roles will release a servlet instance for garbage collection after the destroy method completes?

Which of the following elements can be used to obtain a database connection?

You work as a Software Developer for UcNet Inc. You write the following code using Java. class StringTest
{
public static void main(String args[])
{
String s = "Hi";
concat("There");
System.out.println(s);
}
}

What will happen when you try to compile and execute the code?

In which of the following directories will files be searched when the classpath is specified by the syntax
below.-classpath uc\JavaFiles\NewFiles;uc\ServletFiles;.;

John works as a Programmer for Technostar Inc. He writes the following code using Java.

1. class WrapperClass{
2. public static void main(String[] argv){
3. String str2 = Double.toString(12);
4. String str1 = Double.toHexString(12);
5. System.out.println(str1+str2);
6. }
7. }

What will happen when John attempts to compile and execute the code?

Which of the following exceptions will be thrown by the getFeature() method if the feature value cannot be assigned or retrieved?

The following JSP scriptlet is given.
<% response.setContentType("text/html; charset=ISO-8859-1"); %>

Which of the following directives is the equivalent directive for the scriptlet given above?

Which of the following methods are overridden by the FileInputStream class? Each correct answer represents a complete solution. Choose all that apply.

Which of the following access modifiers is allowed for the constructor for a session bean class?

Which of the following methods of the HttpServletResponse interface is used for URL rewriting? Each correct answer represents a complete solution. Choose all that apply.

You have written the following code snippet.

1. public class Read {
2. protected int ReadText(int x) { return 0; }
3. }
4. class Text extends Read {
5. /*insert code here*/
6. }

Which of the following methods, inserted independently at line 5, will compile? Each correct answer represents a complete solution. Choose all that apply.

Which of the following data type values is returned by the System.in.read() console input function?

Which of the following is a mandatory sub-element of the <web-resource-collection> element of the deployment descriptor?

Which of the following methods of the java.util.logging package logs a message, specifying source class and method, with associated Throwable information?

Which of the following listeners causes an object of the implementing class to be notified when it is added to or removed from a session?

Which of the following data type values is returned by the System.in.read() console input function?

Which of the following will be returned by the expression "string" instanceof String?

Which of the following mechanisms is closely related to authorization?

The __________ interface accepts results from a SQL SELECT statement.

Which of the following options directs the Java compiler to search files in the current directory?

What will be the output of the following code snippet?

class test22
{
public static void main(String args[])
{
String str= new String("Hello");
str.insert(3,"bye");
System.out.println(str);
}
}

Mark works as a Programmer for InfoTech Inc. He develops the following deployment descriptor code.
<web-app>
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location> Error.jsp </location>
</error-page>
<error-page>
<exception-type> javax.security.auth.RefreshFailedException</exception-type> <location>
RefreshFailed.jsp </location>
</error-page>
</web-app>

Which of the following statements is true about the deployment descriptor code given above?

Consider the given lines of codE.
package ucert
class memberaccess
{
public int mem = 10;
}

Which of the following can directly access the variable mem?

You work as a Software Developer for Developer Inc. You write the following code.
interface A {public boolean b = false;}
class C implements A {public static void main(String args[]) {b = true;System.out.println(b);}}

Which of the following will be the result, when you try to compile and execute the above code?

Roger works as a Software Developer for Tech Mart Inc. He creates an application using Enterprise JavaBeans. In the bean class, he writes a code snippet as follows.
Boolean b = ctx.isCallerInRole("Administrator");
The application assembler named Bob declares the following entries within the <entity> element of the
deployment descriptor.
1. <security-role-ref>
2. The HR-Manager will have permission to access all the methods.
3. <role-name>HR-Manager</role-name>
4.
5. </security-role-ref>
Bob wants to ensure that HR-Manager declared in the deployment descriptor should have all the privileges of an administrator.

Which of the following elements should Bob declare in line 4 while deploying the bean?

You work as a developer for PassGuide Inc. You have implemented a session bean with a method doPrint (), which behaves differently depending on the caller's security role. Only MANAGER in the security roles
"ADMIN" and "MANAGER" are allowed to call the method. Which of the following actions are appropriate to accomplish if there is no security-related metadata in the deployment descriptor?
Each correct answer represents a complete solution. Choose all that apply.

Which of the following statements are true?
Each correct answer represents a complete solution. Choose all that apply.