1. JAVA
MULTIPLE CHOICE QUESTION

2. Check your Knowledge
Press to Start

3. 1. Java was first developed in?
1990
1991
1993
1996

4. 2. Java is object oriented language?
Yes No

5. 3. The old name of java is? Oct Oak J language None of above

6. 4. Java does not support: Multithreading Reflection
Operator Overloading
Garbage Collection

7. private synchronized int e
5. Which of the following class level (nonlocal) variable declarations will not compile?
protected int a
transient int b = 3
private synchronized int e
volatile int d

8. 6. Static functions can be accessed using null reference.
True
False

9. 7. Java does not support Multiprogramming Operator overloading
Inheritance
Garbage collection

10. 8. Abbreviation of JDK is:
Java Data Kit
Java Definition Kit
Java Development Kit
Java Design Kit

11. 9. We can invoke any number of methods by one instance only
True
False

12. 10. Abbreviation of AWT is Abstract Window Toolkit A Web Toolkit
Application with types
Absolutely Wonderful Kit

13. 11. Which of the following is generated when the source code is successfully compiled?
Output
Byte code
Error
None of above

14. 12. Process of converting typed code to machine code?
Compilation
Inheritance
Polymorphism
None

15. 13. In java, if you do not give a value to a variable before using it, ______
It will contain a garbage value
It will initialized with zero
Compiler will give an error
None of above

16. 14. Which among the following is the compulsory section of java program?
Package Statement
Import Statement
Documentation section
Class declaration section

17. 15. Sharing of common information is achieved by the concept of?
polymorphism
encapsulation
inheritance
none of above

18. 16. ______ consist a data and methods?
Variable
Class
Vectors
None of these

19. 17. Which JDK command is correct to run a Java application in ByteCode
17. Which JDK command is correct to run a Java application in ByteCode.class?
java ByteCode
java ByteCode.class
javac ByteCode.java
javac ByteCode

20. 18. Java Virtual Machine is software that interprets Java byte code.
Yes No

21. 19. Java is also known as ____ stage language
One
Two
Three
Four

22. 20. In java, if you do not give a value to a variable before using it, ______
It will contain a garbage value
It will initialized with zero
Compiler will give an error
None of above

23. 21. To interprets java code we use:
Javap
None of the above

24. 22. Which one of these lists contains only Java programming language keywords?
class, if, void, long, Int, continue
goto, instanceof, native, finally, default, throws
try, virtual, throw, final, volatile, transient
strictfp, constant, super, implements, do

25. 23. Javap mean: java compiler java interpreter java disassemble
java debugger

26. 24. Hot java is a: web browser system software IDE None of above

27. 25. How many types of variables exist in java?3 4 5

28. 26. Local variable declare:
Inside the method
Outside the method
Both side
None of above

29. 27. Instance variable declare:
Inside the method
Inside the class but outside the method
Outside the method
Outside the class

30. 28. Static variable is:
Local
Global
Both
None

31. 29. How many bytes a Boolean has?1 2 3 4

32. 30. Long has 8 bytes.
True
False

33. 31. Float data-type deals with:
Integer
Fraction
Decimal point
None of above

34. 32. Int data type has: 2 bytes 3 bytes 4 bytes 5 bytes

35. 33. Default value for char data type is:
‘\0000’

36. 34. Which package contains String?
Java.util
Java.lang
Java.rmi
None

37. 35. Which of the following is true about String?
String is mutable.
String is immutable.
String is a data type.
None of the above.

38. 36. What is the default value of byte variable?
0.0
null
Not defined

39. 37. What is instance variable?
Instance variables are static variables within a class but outside any method.
Instance variables are variables defined inside methods, constructors or blocks.
Instance variables are variables within a class but outside any method.
None of the above

40. 38. What kind of variables a class can consist of?
class variables, instance variables
class variables, local variables, instance variables
class variables
class variables, local variables

41. 39. If result= 2+3*5, what is the value and type of ‘result’ variable?
17, bytes
25, bytes
17,int
25, int

42. 40. Which of the following is the smallest integer data type ?
Into
long
byte
short

43. 41. Which of the following is not a primitive data type?
byte
short
enum
Int

44. 42. Which value cannot store character data type.
Digit
Special character
String
Letter

45. 43. Range of byte data type is?
-128 to 255
-128 to 256
-128 to 127
-127 to 128

46. 44. In order to fetch stream of data from network or file, following data type used?
double
char
Into
byte

47. 45. 64 bits are stored by: double Into long float

48. 46. What is the default value for “double” data type?
0.0
null
0.0d

49. 47. What is the range of data type short in Java?
-128 to 127
to 32767 to
None of the mentioned

50. 48. Which one of this value contains float data type?

51. 49. Default value for Boolean data type is:
True
False 1

52. 50. ____ is a reference data type:
int
short
double
array

53. The Results