R05220402 oopsthroughjav afr

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R05220402 oopsthroughjav afr

  1. 1. FirstRanker.com || FirstRankers Choice 1 Code No: R05220402 R05 Set No. 2 II B.Tech II Semester Examinations,December 2010 OOPS THROUGH JAVA Common to IT, E.COMP.E, ETM, CSE, ECE, CSSE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. Write short notes on Observable class and Random class. [8+8] 2. (a) What is a constructor? What are its special properties? (b) How do we invoke a constructor? (c) What are objects? How are they created from a class? [6+4+6] 3. Differentiate following with suitable examples: (a) Frame, JFrame (b) Applet, JApplet (c) Menu, Jmenu. [5+5+6] 4. (a) With the help of an example, explain multithreading by extending thread class. (b) Implementing Runnable interface and extending thread, which method you prefer for multithreading and why. [10+6] 5. Create an interface with at least one method, and implement that interface by defining an inner class within a method, which returns a reference to your interface. [16] 6. (a) Write a short notes o the following graphics functions i. paint( ) ii. repaint( ) iii. update( ) (b) Define Canvas. Write a java program which creates a canvas and displays an image on it. [9+7] 7. Explain the following methods of Object class. (a) clone() (b) finalize() (c) hashCode() (d) wait(long milliseconds) (e) getClass(). [16] 8. Write a program that will compute the following series:FirstRanker.com || FirstRankers Choice 1 1
  2. 2. FirstRanker.com || FirstRankers Choice 2 Code No: R05220402 R05 Set No. 2 (a) 1/1 + 1/2 + 1/3 + ...... + 1/n 2 (b) 1/1 + 1/2 + 1/2 + ....... + 1/2n . [8+8]FirstRanker.com || FirstRankers Choice 2 2
  3. 3. FirstRanker.com || FirstRankers Choice 3 Code No: R05220402 R05 Set No. 4 II B.Tech II Semester Examinations,December 2010 OOPS THROUGH JAVA Common to IT, E.COMP.E, ETM, CSE, ECE, CSSE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) Write a short notes o the following graphics functions i. paint( ) ii. repaint( ) iii. update( ) (b) Define Canvas. Write a java program which creates a canvas and displays an image on it. [9+7] 2. Write a program that will compute the following series: (a) 1/1 + 1/2 + 1/3 + ...... + 1/n 2 (b) 1/1 + 1/2 + 1/2 + ....... + 1/2n . [8+8] 3. (a) What is a constructor? What are its special properties? (b) How do we invoke a constructor? (c) What are objects? How are they created from a class? [6+4+6] 4. Create an interface with at least one method, and implement that interface by defining an inner class within a method, which returns a reference to your interface. [16] 5. Differentiate following with suitable examples: (a) Frame, JFrame (b) Applet, JApplet (c) Menu, Jmenu. [5+5+6] 6. Write short notes on Observable class and Random class. [8+8] 7. (a) With the help of an example, explain multithreading by extending thread class. (b) Implementing Runnable interface and extending thread, which method you prefer for multithreading and why. [10+6] 8. Explain the following methods of Object class. (a) clone() (b) finalize()FirstRanker.com || FirstRankers Choice 3 3
  4. 4. FirstRanker.com || FirstRankers Choice 4 Code No: R05220402 R05 Set No. 4 (c) hashCode() (d) wait(long milliseconds) (e) getClass(). [16]FirstRanker.com || FirstRankers Choice 4 4
  5. 5. FirstRanker.com || FirstRankers Choice 5 Code No: R05220402 R05 Set No. 1 II B.Tech II Semester Examinations,December 2010 OOPS THROUGH JAVA Common to IT, E.COMP.E, ETM, CSE, ECE, CSSE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) Write a short notes o the following graphics functions i. paint( ) ii. repaint( ) iii. update( ) (b) Define Canvas. Write a java program which creates a canvas and displays an image on it. [9+7] 2. (a) With the help of an example, explain multithreading by extending thread class. (b) Implementing Runnable interface and extending thread, which method you prefer for multithreading and why. [10+6] 3. (a) What is a constructor? What are its special properties? (b) How do we invoke a constructor? (c) What are objects? How are they created from a class? [6+4+6] 4. Explain the following methods of Object class. (a) clone() (b) finalize() (c) hashCode() (d) wait(long milliseconds) (e) getClass(). [16] 5. Write short notes on Observable class and Random class. [8+8] 6. Differentiate following with suitable examples: (a) Frame, JFrame (b) Applet, JApplet (c) Menu, Jmenu. [5+5+6] 7. Create an interface with at least one method, and implement that interface by defining an inner class within a method, which returns a reference to your interface. [16] 8. Write a program that will compute the following series:FirstRanker.com || FirstRankers Choice 5 5
  6. 6. FirstRanker.com || FirstRankers Choice 6 Code No: R05220402 R05 Set No. 1 (a) 1/1 + 1/2 + 1/3 + ...... + 1/n 2 (b) 1/1 + 1/2 + 1/2 + ....... + 1/2n . [8+8]FirstRanker.com || FirstRankers Choice 6 6
  7. 7. FirstRanker.com || FirstRankers Choice 7 Code No: R05220402 R05 Set No. 3 II B.Tech II Semester Examinations,December 2010 OOPS THROUGH JAVA Common to IT, E.COMP.E, ETM, CSE, ECE, CSSE Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks 1. (a) What is a constructor? What are its special properties? (b) How do we invoke a constructor? (c) What are objects? How are they created from a class? [6+4+6] 2. Create an interface with at least one method, and implement that interface by defining an inner class within a method, which returns a reference to your interface. [16] 3. (a) Write a short notes o the following graphics functions i. paint( ) ii. repaint( ) iii. update( ) (b) Define Canvas. Write a java program which creates a canvas and displays an image on it. [9+7] 4. Write short notes on Observable class and Random class. [8+8] 5. Explain the following methods of Object class. (a) clone() (b) finalize() (c) hashCode() (d) wait(long milliseconds) (e) getClass(). [16] 6. Write a program that will compute the following series: (a) 1/1 + 1/2 + 1/3 + ...... + 1/n 2 (b) 1/1 + 1/2 + 1/2 + ....... + 1/2n . [8+8] 7. Differentiate following with suitable examples: (a) Frame, JFrame (b) Applet, JApplet (c) Menu, Jmenu. [5+5+6]FirstRanker.com || FirstRankers Choice 7 7
  8. 8. FirstRanker.com || FirstRankers Choice 8 Code No: R05220402 R05 Set No. 3 8. (a) With the help of an example, explain multithreading by extending thread class. (b) Implementing Runnable interface and extending thread, which method you prefer for multithreading and why. [10+6]FirstRanker.com || FirstRankers Choice 8 8

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