java mid 1 questions for students

1.      A)    Define class. Write the syntax for creating class. (2M)

B)     What are the advantages of object oriented programming? (2M)

C)     How is polymorphism achieved in java? Write the definition for each mechanism. (2M)

D)    What is the usage of super,final,this keyword. Write the syntax for each keyword. (2M)

E)     Write any five difference between Abstract class and Interface. (2M)

2. (A) Write about unary operators in java. (2M)

       (B) What is the difference between final and this keyword? (2M)

     (C) What is meant by abstraction? (2M)

       (D) What is meant by Interface? Write the syntax for defining interface. (2M)

       (E)  What is meant by Garbage collection? (2M)

3. A) What are the features of java language?(2M)

B) What is meant by constructor? Write the syntax for creating constructor.(2M)

C) Why is main method assigned as public as well as static?(2M)

D) Write any five string handling functions.(2M)

E)  What is package? Name some Java packages.(2M)

      4. A) Define encapsulation(2M)

B) What are the different types of access modifiers in java?(2M)

C) What is method overloading and overriding?(2M)

D) Write the structure of java program(2M)

E) Differentiate c++ & Java(2M)

5. Explain the concept of Arrays and Operators in java.?
6. A)  Explain the JAVA API – packages, classes with examples?

B)  Explain with two examples for each package.?

7. A)  Write a java program that prints Fibonacci sequence using Recursion.

B)  Write a java program to print reverse of given number.

8.       What is Inheritance. Explain various types of inheritance with examples.
9. A)  Explain in detail about interface. And implementation of interface.
10. Write a java program to implement hybrid inheritance
11. Define an Interface, Implementation class, rules for working with Interface with an example.

12.   A) Explain Abstract classes with examples?

       B) Explain the use of final, super and this?

     13.   A) Explain Types of Inheritance with examples.

       B) Write a program to implement factorial of given numer using RECURSION.

    14. A) Define a Package. Explain how to implement.

            B) Write a program for to find the given number is armstrong number or not.

    15. Explain control Statements and operators in java with example.   

    16.  A) How the super keyword will access the base class? Explain with example.

       B) Explain method overloading with example.

    17.   A) Define an Inheritance. What are types of inheritance? Explain with example?

       B) Write a java program to implement single Inheritance.

   18.   A) Define a Package? Explain how the classes will access from package, with example?

     19.  Write short notes on

        A) Method overloading

         B) Write a program to implement reverse of a given number.

  20. (A) explain   about   Argument passing with suitable example.

      (B) Write short notes on super keyword.

 21.  A) Explain in detail about Interfaces & implementation of Interfaces..

      B)  Write a program to implement single level inheritance.

 22.  A) Explain about control statements with example.

      B)  What is meant by string? Explain any five string handling functions in java.

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