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Rani Laxmibai Public School Jhansi CLASS X (COMPUTER APPLICATIONS) QUESTIONAIRE (2017-18) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. Define Abstraction. Define Inheritance. What is Interpreter? What is Compiler? What do you mean by import statement explain with the help of an example? What is an Expression? Give an example? Define the keyword final . Give an example also. What is pure function? What is impure function? Define break in a loop with an example. Define continue in a loop with an example. What is an Exception? Name any two Exception handling blocks. Define parameterized constructor. Define non-parameterized constructor. What do you mean by function prototype. Explain with an example. What is the use of this keyword in Java? Define equals(). Define compareTo() functions. What is the private visibility modes. What is the public visibility modes. What is the protected visibility modes. What is UNICODE? Explain Constructor overloading with an example? Define String class Define StringBuffer clases. Define the term Bytecode. Write any two features of Java Programming language? Define if-else statement. Define switch-case statements? What is fall through situation in switch case statement? What do you understand by errors? Write the types of errors. Name two different style of expressing comment in java program. Name the methods of Scanner class that is used to input an Integer data from the standard input device. Name the methods of Scanner class that is used to input a String data from the standard input device. What is the datatype that the following library functions return? (i) isWhitespace(char ch) (ii) Math.random() State one difference between the floating point literals and double. Name the package that contains Scanner class. Which unit of class gets called, when the object of the class is created. Write one difference between / and % . Give the size and range of byte datatype. Give the size and range of short datatype. Give the size and range of int datatype. Give the size and range of long datatype. Give the size and range of float datatype. Give the size and range of double datatype. Give the size and range of char datatype. Give the size and range of boolean datatype. Define call by value method. Define call by reference methods. Explain trim() function with an example. Write valid java statement to extracta ll even position characters from the string Kinetic Energy . 1|Page
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