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					                        VEMU INSTITUTE OF TECHNOLOGY
                                      P.KOTHAKOTA,CHITTOOR(DIST)
                           SUBJECT:OBJECT ORIENTED PROGRAMMING



1. OOP allows us to decompose a problem into a number of entities called ________-

  a. Object        b. classes       c. Data              d. function

2. The combination of data and method make up on
  a. Function              b. Object c.data                d.class
3. The entire set of data & code of an object can be made a ________ data type using the
      concept of class

  a. User-define                      b. static                  c. global            d. derived

4. The wrapping up of data & methods into a single unit is called as _________

  a. Inheritance           b. polymorphism               c. Encapsulation

5. _____provide the interface between the object’s data & the program

a. Data                    b. class                      c. methods

6. The concept of inheritance provides the idea of _____________

  a. Taking more than one form           b. reusability          c. data hiding       d.none

7. The process of linking of a procedure call with the code to be executed is called as________

    a. Binding           b. Loading               c. assembling              d.none

8. The development tools are part of the system known as __________

      a. JDK               b. JSL             c. java compiler               d.none

9. __________________ produces header files for use with native methods

      a. javac             b. java            c. javah           d. javadoc

10. ______contains collection of classes and methods required for implementing basic features of java

      a. Utility package     b. I/O package                c. language support package         d)none
11. Instance variables are created when the objects are i________and therefore they are associated
      with the objects

     a. Declared        b. defined          c. instantiated d.none

12. java follows_______charecteristics

    a.ASCII             b.ISCII             c.unicode        d.BCD

13. ____________ is use to convert the value of one type to another

     a. Data type       b. variable         c. typecasting     d.none

14._________run periodically checking for the objects that are no longer referenced by any running
     state or indirecly through other referenced ojects

      a.garbage collector    b.debugger          c.loader          d.none

15.when a method in its subclass has the same name and type signature as a method in the subclass is
     said to be__________

      a.overloading     b.override              c.loading              d.none

16.To implement an interface a class must create a the complete set of ______defined by a interface

    a.methods           b.functions              c.object               d.class

17. Instance variables take ______________ values for each object

     a. Different                 b. same            c. non-zero                  d.none

18. The property or the ability to take more than one form is called as _____________

     a. Encapsulation             b. Polymorphism            c. inheritance       d.none

19._____is used to separate package names from subpackages from classes

      a.period        b.comma         c.semicolon        d.paranthesis

20.______________-translates byte code into machine code

     a. Java interpreter          b. java compiler      c. assembler     d.none
               VEMU INSTITUTE OF TECHNOLOGY
                        P.KOTHAKOTA,CHITTOOR(DIST)
                 SUBJECT:OBJECT ORIENTED PROGRAMMING



1. Explain the object oriented programming concepts?
2. Describe the genesis of java. Also write brief overview of java?
3. a)What is a constructor? What are its special properties?
   b) How do we invoke a constructor?

4. How do declare and create an array? Is an array an object or a primitive
type value? Write simple example program?
5. What is package? Explain the procedure to create a package with the help
of example

				
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