MCQ 1 Which one of the following is not a java keyword?

(A) Break (B) Class (C) Static (D) Study

MCQ 2 Which Error Handling in Java handles runtime errors with exceptions, If an exception is not caught in your JSP or Servlet, Resin will use a special error page to send results back to the browser, Resin uses a default error page unless you explicitly provide an error page yourself?

(A) Client Request Time Processing Errors (B) Compilation Time Processing Errors (C) JSP Translation Time Processing Errors (D) None of the above

MCQ 3 Java declaration statement must end with

(A) Comma (B) A colon (C) A semicolon (D) Full stop

MCQ 4 Which is used for reading streams of raw bytes such as image data and for reading streams of characters,consider using FileReader?

(A) FileInputStream (B) FileOutputStream (C) Both A & B (D) None of the above

MCQ 5 Which mechanism is used when a thread is paused running in its critical section and another thread is allowed to enter (or lock) in the same critical section to be executed?

(A) Inter-thread communication (B) Initial-thread communication (C) Mutual Exclusive (D) None of the above

MCQ 6 _____________ is used for initialize the value to the string object.

(A) Character literals (B) String literals (C) String group literals (D) Group literals

MCQ 7 Which of the following will produce a value of 22 if x=22.9?

(A) ceil(x) (B) round(x) (C) rint(x) (D) abs(x)

MCQ 8 Which of the following will produce a value of 22 if x=22.9?

(A) ceil(x) (B) round(x) (C) rint(x) (D) abs(x)

MCQ 9 The default package that is implicitly called in a java program is _____________.

(A) java.Lang (B) java.System (C) java.Window (D) java.Lang.System

MCQ 10 Which of the function is used to convert string to Number in java program?

(A) to Number() (B) conString() (C) valueOf() (D) toString()

MCQ 11 Preparedstatement Object in JDBC is used to execute __________________ queries.

(A) executable (B) simple (C) high level (D) parameterized

MCQ 12 The command javac

(A) Converts a java program into binary code (B) Converts a java program into bytecode (C) Converts a java program into machine language (D) None of the above

MCQ 13 Each method in a java class must have a unique name.

(A) Not necessary (B) 1 (C) 0 (D) None of the above

MCQ 14 Object is an ___________ of class.

(A) instance (B) implement (C) inheritance (D) invoke

MCQ 15 ______________ is valid for if statement?

(A) An integer expression (B) A Boolean expression (C) A character expression (D) A legal expression

MCQ 16 Wrapper class is a wrapper around a ___________ data type.

(A) normal (B) central (C) primitive (D) concrete

MCQ 17 Abbreviate the term DGC?

(A) Digital Garbage Collection (B) Distributed Garbage Collection (C) Distributed Garbage Connection (D) None of the above

MCQ 18 Abbreviate the term DGC?

(A) Digital Garbage Collection (B) Distributed Garbage Collection (C) Distributed Garbage Connection (D) None of the above

MCQ 19 Which one of the following languages is suitable to implement the OOP concepts?

(A) Objective C and C++ (B) Small talk (C) Ada (D) All of these

MCQ 20 Which Set implementation is sorted and synchronized?

(A) TreeSet (B) TreeSet (C) TreeSet (D) ConcurrentSkipListSet

MCQ 21 Which type of validation we must implement the Validateable interface (or extend ActionSupport class) and provide the implementation of validate method?

(A) By Input Validation (B) By Ajax Validation (C) By Custom Validation (D) None of the above

MCQ 22 ODBC stands for

(A) Object Data Binding Command (B) Open Database Console (C) Open Database Connectivity (D) Open Database Command

MCQ 23 Consider the following class definition. class Student extends String{ } What happens when we try to compile this class?

(A) Will not compile because class body is not defined (B) Will not compile because the class in not declared public. (C) Will not compile because string is abstract. (D) Will not compile because string is final.

MCQ 24 Filters were officially introduced in the Servlet _____________ specification.

(A) 2.1 (B) 2.3 (C) 2.2 (D) 2.4

MCQ 25 The out object is an object encapsulated inside the _________________ class, and represents the standard output device.

(A) standard (B) local (C) globlal (D) system

MCQ 26 Adapter classes are used for____________.

(A) code redundancy (B) code reduction (C) code organization (D) None of the above

MCQ 27 ________________ is generated if a button is clicked in AWT.

(A) ItemEvent (B) WindowEvent (C) ActionEvent (D) MouseEvent