Introduction to Java MCQ

1. A block is enclosed inside ________.

2. A class specifies the ________ and ________ that a particular type of object has.

3. A java character is stored in ________.

4. A java program is stored in an executable file called a(n) ____ file.

5. A javafx action event handler contains a method ________.

6. A javafx action event handler is an instance of ________.

7. A literal string is a(n) ____ object.

8. A loop controlled by the user is a type of ____ loop.

9. A method header is also called a(n) _____.

10. A method that has no implementation is called a/an ____ method.

11. A method must declare to throw ________.

12. A static method can ________.

13. Another name for a nonstatic member class is a(n) ____.

14. Any field declared with keyword ________ is constant.

15. Arguments to methods always appear within ________.

16. Before entering a loop, the first input statement, or ____, is retrieved.

17. Boolean values can be displayed as the words true and false with the ________ format specifier.

18. By convention, a class diagram contains the ____ following each attribute or method.

19. Character literals are enclosed in ________; string literals are enclosed in ________.

20. Data items you use in a call to a method are called ____.

21. Declaring instance variables ________ is known as data hiding or information hiding.

22. Every class in java, except ________, extends an existing class.

23. Every object is a _____ of a more general class.

24. Exception handling helps you create ________ programs.

25. For input we will use the ______ class.

26. If a key is not in the list, the binarysearch method returns ________.

27. If a programming language does not support ____, the language is not considered object-oriented.

28. If an exception occurs in a try-catch block, the code in the finally clause ________.

29. If you attempt to add an int, a byte, a long, and a float, the result will be a ________ value.

30. In a do…while loop, the loop will continue to execute until ____.

31. In java all output uses the ______ data type.

32. In java graphics, coordinate units are measured in ________.

33. In java, the word true is ________.

34. In java, ________ must be declared before they can be used.

35. In java, you use variables of type ____ to store integers, or whole numbers.

36. In order to allocate the needed memory for an object, you must use the ____ operator.

37. In pcdata, the ____ symbol is used to indicate a special character.

38. Information is passed to a method in ________.

39. Invoking ________ returns the number of the elements in an arraylist x.

40. It is important that the loop control ____ be altered within the body of the loop.

41. Java ________ can run from a web browser.

42. Java contains a class named ____ that allows you to produce dialog boxes.

43. Java uses class ________ to represent colors using their rgb values.

44. Java, c#, and vb.net are examples of ________.

45. Java.util.vector is a subtype of ________.

46. Javascript requires _____ programming knowledge and experience as java.

47. Local variables must be ________.

48. Method calls cannot be distinguished by ________.

49. Methods that set values are called ____ methods.

50. On many keyboards, the break key is also the ____ key.

51. One or more objects may be created from a(n)________.

52. Overloaded methods always have the same _________.

53. Programs that are embedded in a web page are called java ____.

54. Regarding enumerations, the ____ method returns the name of the calling constant object.

55. Some programmers refer to a catch block as a ____ clause.

56. When an object of one class is a data field within another class, they are related by ____.

57. To convert a javascript object to a json string, you use the ____ method.

58. The not equal comparison operator in java is ________.

59. The __________ method immediately terminates the program.

60. The __________ method parses a string s to an int value.

61. To specify a stacking order, one can use the _____ property.

62. To use a public variable or method outside of its class, you must ____ the name.

63. Use the ________ method to write text to a web page.

64. Variables that are shared by every instances of a class are ________.

65. Whenever a method requires multiple arguments, the arguments are always separated with ____.

66. You can create an arraylist using ________.

67. You can declare two variables with the same name in __________.

68. You can leave out the ____ statements in a switch structure.

69. You can obtain the server's hostname by invoking ________ on an applet.

70. You can use the ________ method to replace an item at a specific location in an arraylist.

71. You compare two strings s1 and s2 using ________.

72. You use the keyword ________ to reference a method in the superclass from a subclass.

73. Static methods can only operate on ________ fields.

74. The character class ____ from java.lang.object.

75. The characters ____ move the cursor to the next line when used within a println() statement.

76. The class used as a basis for inheritance is the ____ class.

77. The cookie property is created with a required ____ attribute.

78. The expression ""Java "" + 1 + 2 + 3 evaluates to ________.

79. When you create an array of objects, each reference is assigned the value ____.

80. The ____ class provides the definitions for gui objects.

81. The ____ class represents more serious errors from which your program usually cannot recover.

82. The ____ method converts any object to a string.

83. The ____ method takes a string argument and returns its double value.

84. The ________ loads java bytecode to the memory.

85. The ________ method is used to display a message dialog.

86. The ________ properties are defined in the javafx.scene.text.text class.

87. The __________ function returns the smallest integer that is greater than or equal to the number.

88. The signature of a method consists of ________.

89. When you instantiate an object from a class, ____ is reserved for each instance field in the class.

90. When method printf requires multiple arguments, the arguments are separated with ________.