Object Oriented Programming with Java. Unit-1

Transcription

1 CEB430 Object Oriented Programming with Java Unit-1 PART A 1. Define Object Oriented Programming. 2. Define Objects. 3. What are the features of Object oriented programming. 4. Define Encapsulation and Data hiding. 5. Define Data Abstraction. 6. Define Inheritance. 7. Define Polymorphism. 8. List and define the two types of Polymorphism. 9. Define Dynamic Binding. 10. Define Message Passing. 11. List some benefits of OOPS. 12. List out the applications of OOP. 13. Give the full for of JVM 14. Define keywords 15.Define Token. 16. Define identifier. What are the rules to be followed for identifiers?

2 PART B 1. Explain the paradigm of programming languages 2. Explain the five basic concepts of Object oriented programming 3. List some benefits of OOPS. 4. List out the applications of OOP. 5. Briefly explain the history of java 6. Explain any four java features 7. Java compiled and interpreted explain 8. Explain java environment 9. Explain the steps involved in creating and executing a java program 10. Explain JVM 11. Explain java comments.

3 UNIT-2 PART-A 1. Give the size of integer data in java. 2. What is meant by scope of variable? 3. Give any three data types in java. 4. Define constant. 5. Give the general form of variable declarations. 6. Define type casting. 7. Give the different types of decision making statements. 8. What is the use break statement inside switch statement? 9. Give the general form of labelled loop. 10. Define array. 11. Give the use of new operator in array creation. 12. Sum=0; For (i=0,i<5;i++) { Sum=sum+I; } System.out.print ln (i); System.out.print ln (sum); Give the value of i and sum 13. Give the general form to create vector v and size n. 14. What is the difference between size of a vector and Capacity of a vector? 15. What is the use of wrapper class? 16. Give the use of string buffer class.

4 PART-B 1. Explain scope variable. 2. Explain the casting. 3. With example explain bit wise operators. 4. Explain how expressions are evaluated. 5. Give the general form of if statement. 6. Write a program to find the biggest of three numbers Using if.else statement. 7.Give the difference between while and do.while. 8.Explain switch statement. 9.With an example explain do.while loop. 10.Explain labelled loop with example. 11.Define 1-D array and explain array creation. 12.Define vector and give the statements to create a vector and add one double element into it. 13.What are wrapper classes? Explain any five wrapper methods? 14.Write program statements to convert a string in lowercase to uppercase.

5 UNIT-3 PART-A 1.Give any one string constructor. 2.Write the general form to create a empty string. 3.Define string buffer class. 4.What is class? 5.What are instance variables and methods? 6.Give the general form to create objects. 7.Give the name of the operator used to call methods using objects. 8.What is this pointer? 9.Give the different types of inheritance. 10.Define overriding. 11.List the different visibility controls. 12.What are static members? 13.What do you mean by final? 14.Define inheritance. PART B 1.With example explain strings. 2.Write program statements to convert a string in lowercase to uppercase. 3.Define string buffer class and give the difference between string and string buffer class. 4.Define class and explain its general form. 5.Explain how class members are accessed. 6.Explain the steps involved in creating objects. 7.Write a program with two member functions and four member variables.

6 8.Define and explain constructors with example. 9.Explain methods overloading with examples. 10.Give the general form to call a static member from outside the class. 11.Explain this with an example. 12.Explain command line input with example. 13.Write a program to demo vehicle system using multilevel inheritance. 14.Explain overriding with example. 15.Briefly explain the visibility controls. 16.Write a program to explain interface.

7 UNIT-4 PART-A 1.What are packages? 2.Give the syntax of using system packages. 3.Define hiding classes. 4.What are the base classes needed to create an applet? 5.What is the use of init() method? 6.Give the use of attribute CODE in applet tag. 7.Give the general form of drawline()method. 8.Define table. 9.What do you mean by event handless? 10.Define layout manager. PART-B 1.Explain the naming convention in packages. 2.With example how packages are created and accessed. 3.Explain applet tag in html. 4.Define parameter tag and explains. 5.With example explain how to draw and fill rectangle? 6.Explain how applets are created and executed? 7.Describe the applet life cycle. 8.Describe i)drawing polygon ii)line graphs iii)circles 9.Explain event handlers and event listeners.

8 10.How events are handled in text field components. 11.Give the contructors in scrollbar class. 12.Explain input events. 13.List the typesof mouse events.

9 UNIT-5 PART-A 1.Give the types of error. 2.Define exception handling. 3.Give the general form of try block. 4.Give the thread class constructors. 5.List the different stages in the life cycle of a thread. 6.Give the advantages of streams. PART-B 1.Explain i) Try block ii) Throwing an exception iii) Catching AN Expression 2.With example explain exception handling with all blocks. 3.Explain the different thread methods. 4.Explain (a) Defining thread. (b) Running a thread 5.With neat diagram explain thread states. 6.Discuss about thread priorities. 7.Explain thread scheduling. 8.Explain thread synchronization. 9.Give the steps in creating a thread using runnable interface. 10.Explain stream. 11.Explain byte stream. 12.Explain character stream.

10 CEB430 Object Oriented Programming with Java MODEL QUESTION PAPER Time : 3 Hrs Max.Marks: 75 PART A (15 x 1 = 15 Marks) Answer any Fifteen Questions. Each question carries 1 mark. 1. What is data abstraction? 2. Write any two benefits of oops. 3. What is an object? 4. Write any two java tokens. 5. Define array. 6. What is the difference between while and do while? 7. What are separators? 8.. What is the use of continue statement? 9. What are static members? 10. What is a string? 11. What is inheritance? 12. Write down the syntax to declare abstract method. 13. State any one use of package. 14. Which method is used to draw a line? 15. Give any two types of controls present in awt. 16. What is an applet? 17. Define exception handling. 18. What is thread? 19. What are streams? 20. What is multithreading? PART B ( 5 x 12 = 60 Marks) Answer all questions choosing either A or B from each question. Each question carries 12 Marks 21 A. i. Explain any six basic concepts of Object Oriented Programming. [6] ii. What is JVM? Explain [6] [ OR]

11 B i. What are the differences between Procedure Oriented Programming and Object Oriented Programming? and explain any five features of java [12] 22 A. i. Explain vector, vectors creation and any three vector methods. [12] [ OR] B i. Write a program to find the sum of array of N numbers. [6] ii. Explain the terms: (i)wrapper Class (ii) Special operator. [6] 23 A. i. Explain method overloading with an example program. [6] ii. What is a constructor? Explain with an example. [6] [ OR] B i Explain interface and multiple inheritance in java [12] 24 A. i. How to create and import a package? Explain with an example. [6] ii. Explain Applet tags in HTML [6] [ OR] B i. Write a Java program to create a menu based application [6] ii. Explain event handlers and Event Listeners. [6] 25 A. i. What are the limiations of error handling? What are the advanategs of exception handling. [6] ii. Explain character stream class. [6] [ OR] B i. Explain Seven Steps To Create Jdbc Connection [12]