Java Technologies

Question: Which of the following transaction modes are supported by Enterprise Java Beans?
A
TX_NOT_SUPPORTED

B
TX_BEAN_MANAGED

C
TX_REQUIRED

D
X_MANDATORY

E
All

Note: Not available
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Question: What is the output of the given program?public class Test120 extends _Test120 {
        {
                System.out.print("_INIT");
        }
        static {
                System.out.print("_STATIC");
        }
        Test120() {
                System.out.print("_CONST");
        }
        public static void main(String[] args) {
                System.out.print("_MAIN");
                new Test120();
        }
}
class _Test120 {
        {
                System.out.print("_BIN");
        }
        static {
                System.out.print("_START");
        }
        _Test120() {
                System.out.print("_BASE");
        }
}
A_START_STATIC_MAIN_BIN_BASE_INIT_CONST

B_STATIC_START_MAIN_BIN_BASE_INIT_CONST

C_STATIC_MAIN_START_BIN_BASE_INIT_CONST

D_START_MAIN_STATIC_BIN_BASE_INIT_CONST

Note: Not available

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Question: Which distributed object technology is most appropriate for systems that consist entirely of Java objects?
A
RMI

B
CORBA

C
DCOM

D
COM

E
JDBC

Note: Not available
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Question: The following code was written to save a handle to an EJBObject named 'bookEJBObject' for an online book shop:
javax.ejb.Handle bookHandle = ________; ObjectOutputStream stream = new ObjectOutputStream(newFileOutputStream(fileName)); stream.writeObject(bookHandle); stream.close();
Which of the following methods should be filled in the blank?
A
(Handle) bookEJBObject()

B
bookEJBObject.getHandle()

C
bookEJBObject.getEJBHandle()

D
newHandleInstance()

Note: Not available
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Question: Which sequence will be printed when the following program is run?
import java.util.*; public class Test { public static void main(String str[]) { List l = new ArrayList(); l.add(''1''); l.add(''2''); l.add(1,''3''); System.out.println(l); } }
A
[1, 3, 2]

B
[1, 3, 1]

C
[1, 1, 3]

D
[1, 1, 2]

E
This code will generate an error.

Note: Not available
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Question: Conventionally, which directory do servlet class files get placed on?
A
WEB-INFservlets

B
webappservlets

C
WEB-INFclasses

D
WEB-INF

Note: Not available
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Question: Which is a proper way to declare and throw exception of class XYException?
A
class XYException extends Exception {} ... throw new XYException();

B
class XYException implements Exception {} ... throw new XYException();

C
class XYException extends Exception {} ... throw new Exception(""XYException"");

D
class XYException implements Exception {} ... throw new Exception(""XYException){};

Note: Not available
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Question: Which of the following JDBC methods is used to retrieve large binary objects?
A
getBinaryStream()

B
getText()

C
getAsciiStream

D
getString()

E
getUniStream()

Note: Not available
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Question: What is the output of the given program?public class Test129 {
        public static void main(String[] args) {
                A a = new A2();
                B b = new B2();
                System.out.println(a.a + "" + b.b);
        }
}
class A { int a = 1; }
class A2 extends A { int a = 2; }
class B { public int b = 1; }
class B2 extends B { public int b = 2; }
A1

B2

C11

D22

Note: Not available

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Question: What exception is thrown by this code, if arr[j]>arr[j+1]:public static  void main(String[] args) {
    int []arr={12,23,43,34,3,6,7,1,9,6};
        {  
              int temp;
              for (int i=0;i<arr.length;i++)
              {  
                for (int j=0;j<arr.length-i;j++ )
                {
                  if (arr[j]>arr[j+1])
                 {  
                     temp=arr[j];
                     arr[j+1]=arr[j];
                     arr[j+1]=temp;
                  }
                }
              } 
            }
        for(int i=0; i<arr.length; i++)
         {
             System.out.print(arr[i] + " ");
         }
    }
ANumberFormatException

BArrayIndexOutOfBoundException

CIOException

DNone

Note: Not available

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Question: Which of the following transaction modes are supported by Enterprise Java Beans?

Question: Which distributed object technology is most appropriate for systems that consist entirely of Java objects?

Question: Which sequence will be printed when the following program is run?
import java.util.*; public class Test { public static void main(String str[]) { List l = new ArrayList(); l.add(''1''); l.add(''2''); l.add(1,''3''); System.out.println(l); } }

Question: Conventionally, which directory do servlet class files get placed on?

Question: Which is a proper way to declare and throw exception of class XYException?

Question: Which of the following JDBC methods is used to retrieve large binary objects?

Question: Which of the following transaction modes are supported by Enterprise Java Beans?

Question: Which distributed object technology is most appropriate for systems that consist entirely of Java objects?

Question: Which sequence will be printed when the following program is run?import java.util.*; public class Test { public static void main(String str[]) { List l = new ArrayList(); l.add(''1''); l.add(''2''); l.add(1,''3''); System.out.println(l); } }

Question: Conventionally, which directory do servlet class files get placed on?

Question: Which is a proper way to declare and throw exception of class XYException?

Question: Which of the following JDBC methods is used to retrieve large binary objects?

Question: Which sequence will be printed when the following program is run?
import java.util.*; public class Test { public static void main(String str[]) { List l = new ArrayList(); l.add(''1''); l.add(''2''); l.add(1,''3''); System.out.println(l); } }