MCQ 1 An RMI Server is responsible for ______________.

(A) Creating an instance of the remote object (B) Exporting the remote object (C) Binding the instance of the remote object to the RMI registry (D) All mentioned above

MCQ 2 Java supports RMI, RMI Stands for?

(A) Random Method Invocation (B) Remote Memory Interface (C) Remote Method Invocation (D) Random Method Invocation

MCQ 3 In an object oriented programming

(A) Class create objects (B) Objects create classes (C) Classes use methods to communicate between them (D) None of these

MCQ 4 For execution of DELETE SQL query in JDBC, ________________ method must be used.

(A) executeQuery() (B) executeDeleteQuery() (C) executeUpdate() (D) executeDelete()

MCQ 5 State whether true or false.

• i) init( ) of servlet is called after a client request comes in
• ii) Servlets are ultimately converted into JSP
<

(A) i-false, ii-false (B) i-false, ii-true (C) i-true, ii-false (D) i-true, ii-true

Correct Answer Choice A i-false, ii-false
See Answer

MCQ 6 Break statement is used to

1. get out of method
2. end aprogram
3. get out of a loop
4. get out of the system
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(A) 1 & 2 (B) 1,2 & 3 (C) 1 & 3 (D) 3

Correct Answer Choice D 3
See Answer

MCQ 7 ____________ of a remotely accessible object must implement _______________.

(A) all methods, RemoteException (B) class, RemoteException (C) class, RemoteInterface (D) all methods, RemoteInterface

MCQ 8 State true or false.

• i) Jpanel is a class included in awt package.
• ii) Anonymous classes are mostly used for event handling.
• iii) Names of anonymous classes must be unique
• iv) JOptionPane is an inner class
<

(A) i-false, ii-false, iii-true, iv-true (B) i-true, ii-false, iii-true, iv-false (C) i-false, ii-true, iii-false, iv-false (D) i-true, ii-false, iii-false, iv-true

Correct Answer Choice C i-false, ii-true, iii-false, iv-false
See Answer

MCQ 9 What is the file extension of compiled java program?

(A) .class (B) .java (C) .css (D) .html

MCQ 10 Consider the statement “x=(a>b)?a:b”, then the value of x is 19, if a=19 and b=12

(A) 1 (B) not supported (C) 0 (D) none of the above

MCQ 11 Which kind of driver converts JDBC calls into calls on the client API for Oracle, Sybase, Informix, IBM DB2, or other DBMS?

(A) JDBC-ODBC bridge plus ODBC driver (B) Native-API partly-Java driver (C) JDBC-Net pure Java driver (D) Native-protocol pure Java driver

MCQ 12 Java

(A) Compiler generates byte code instructions (B) Is a true object oriented language (C) Is a robust language (D) All of these

MCQ 13 By invoking repaint ( ) for a component, the AWT invokes the method

(A) Update ( ) (B) Paint ( ) (C) Show ( ) (D) Draw ( )

MCQ 14 Which defines a method called nextElement that is used to get the next element in a data structure that contains multiple elements?

(A) Bitset (B) Vector (C) Stack (D) Enumeration

MCQ 15 Which one of the following methods cannot be used to draw the outline of a square?

(A) Draw line( ) (B) Draw react ( ) (C) Draw string( ) (D) Draw polygon ( )

MCQ 16 The java variable is/are

(A) Instance variables (B) Class variables (C) Local variables (D) All of these

MCQ 17 Java's coordinate system has the origin (0, 0) in the

(A) Lower left corner (B) Lower right corner (C) Upper right corner (D) Upper left corner

MCQ 18 The methods wait ( ) and notify ( ) are defined in

(A) JavLang. thread (B) JavLang. string (C) JavLang. thread group (D) JavLang. object

MCQ 19 Object oriented programming language, is

(A) C++ (B) Java (C) Both A and B (D) None of these

MCQ 20 ________________ must be the first non comment statement in the file

(A) package (B) class (C) object (D) declaration

MCQ 21 A private class is accessible from inside a __________________.

(A) package (B) class (C) method (D) none

MCQ 22 Byte code is also a ________________.

(A) machine code (B) bit code (C) cryptographic code (D) none

MCQ 23 The correct statement from the following is/are

(A) Integer types are always signed in java (B) The user of final to a variable in java is similar to the use of const in C and C++ (C) Java supports labeled break and labeled continue statement (D) All of these

MCQ 24 Which one of the following concept is incorporated in building a java program?

(A) Encapsulation (B) Inheritance (C) Polymorphism (D) All of these

MCQ 25 Which provides accessibility to classes and interface?

(A) import (B) Static import (C) Both A and B (D) None of the above