MCQ 1 Methods can be overloaded with a difference only in the type of the return value

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

MCQ 2 Which of the following statements are valid array declaration?

i) int number( );
ii) float average[ ];
iii) double[ ]marks;
iv) counter int[ ];

(A) i and ii (B) ii and iii (C) iii and iv (D) All i, ii, iii and iv

MCQ 3 Which one of the following languages is pure object oriented language?

(A) Java (B) C++ (C) Object Pascal (D) C

MCQ 4 Major objective of object oriented approach is to

(A) Eliminate the flaws encountered in the procedural approach (B) Treat data as a critical element in the program (C) Tie data more closely to the functions that operate on it (D) All of these

MCQ 5 Java

(A) Has no templates (B) Does not provide nested classes (C) Does not provide destructors (D) All of these

MCQ 6 The loop keyword of java is

(A) Byte (B) While (C) Double (D) Float

MCQ 7 Which of the following methods can be used to remove a component from the display?

(A) delete() (B) remove() (C) disappear() (D) hide()

MCQ 8 The concept of multiple inheritance is implemented in Java by

(A) extending two or more classes (B) extending one class and implementing one or more interfaces (C) implementing two or more interfaces (D) both B and C

MCQ 9 JSP embeds in ____________in ___________.

(A) Servlet, HTML (B) HTML, Java (C) HTML, Servlet (D) Java, HTML

MCQ 10 In order to run JSP ______________ is required.

(A) Mail Server (B) Applet viewer (C) Java Web Server (D) Database connection

MCQ 11 Which of the following is not the java primitive type

(A) Byte (B) Float (C) Character (D) Long double

MCQ 12 Which component is responsible to optimize bytecode to machine code?

(A) JVM (B) JDK (C) JIT (D) JRE

MCQ 13 What will be the output of the following code?

byte x=64, y; y= (byte) (x<<2); System.out.println(y);

(A) 0 (B) 1 (C) 2 (D) 8

MCQ 14 Which of the following control expressions are valid for an if statement?

(A) An integer expression (B) A Boolean expression (C) Either A or B (D) Neither A nor B

MCQ 15 Which of the following keywords are used to control access to a class member?
i) default
ii) abstract
iii) protected
iv) interface
v) public

(A) i, ii and iii only (B) ii, iii and iv only (C) iii, iv and v only (D) ii, iii and v only

MCQ 16 Which of the following statement is false?

(A) The sleep() method should be enclosed in try ……… catch block (B) The yield() method should be enclosed in try ……… catch block. (C) A thread can be temporarily suspended from running by using the wait() method. (D) A suspended thread using suspend() method can be revived using the resume() method.

MCQ 17 Abbreviate the term OGNL?

(A) Object-Goal Navigation Language (B) Object- Graph Navigation Language (C) Oriented-Graph Navigation Language (D) None of the above

MCQ 18 Java does not use

(A) Preprocessor header files (B) Pointers (C) Go to statement (D) All of these

MCQ 19 The state of left cycle of a thread is

(A) Runable state (B) Running state (C) Blocked state (D) All of these

MCQ 20 The following program is an example for?

class Student{ 
int id; String name; 
void display(){ 
System.out.println(id+" "+name); 
} 
public static void main(String args[]){ 
Student s1=new Student(); 
Student s2=new Student(); 
s1.display(); 
s2.display(); 
} 
}
      

           (A)
             Parameterized constructor 
           (B)
             Default Constructor 
           (C)
             Overloading Constructor 
          (D)
             None of the above 
      
      
      
      

                  Correct Answer  Choice B 
         Default Constructor
               
      
 See Answer

   

MCQ 21 Which interfaces provide methods for batch processing in JDBC?

(A) java.sql.Statement (B) java.sql.PreparedStatement (C) All the above (D) All of the above

MCQ 22 ______________ is a special member function.

(A) method (B) class (C) use defined function (D) constructor

MCQ 23 The class at the top of exception class hierarchy is _________________.

(A) ArithmeticException (B) Throwable (C) Class (D) Exception

MCQ 24 In a java program, package declaration ____________________ import statements.

(A) must precede (B) must succeed (C) may precede or succeed (D) None of the above

MCQ 25 ________________ package is used by compiler itself. So it does not need to be imported for use.

(A) java.math (B) java.awt (C) java.applet (D) java.lang