Java questions interview

       Java questions with solutions and explanation

1.      Questions on basic knowledge of java programming language

2.      Questions on primitive data type

a.       Questions on floating point data type

b.      Questions on char data type

c.       Questions on boolean data type

3.      Questions on literals

a.       Questions on floating point data type

b.      Questions on char data type

c.       Questions on boolean data type

d.      Questions on String literal

4.      Questions on variables

5.      Questions on automatic type promotion          

6.      Questions on unary operators

7.      Questions on Arithmetic operators

8.      Questions on Relational operators

9.      Questions on bitwise operators

10.  Questions on Logical operators

11.  Questions on assignment operator

12.  Questions on conditional operator

13.  Questions on single and multi dimension array       

14.  Questions on if –else control statement

15.  Questions on switch-case control statement

16.  Questions on loop

17.  Questions on break and continue keyword

18.  Questions on class and object

19.  Questions on constructor

20.  Questions on this keyword

21.  Questions on garbage collection

22.  Questions on Overloading of method                    

23.  Questions on method recursion

24.  Questions on Access control (default, public, private, protected)

25.  Questions on static keyword

26.  Questions on final keyword

27.  Questions on  Nested and inner class

28.  Questions on command line argument

29.  Questions on variable length argument

30.  Questions on Inheritance

31.  Questions on super keyword

32.  Questions on method overriding

33.  Questions on Dynamic method dispatch                 

34.  Questions on Abstract class

35.  Questions on package

36.  Questions on Interface

37.  Questions on Nested interface

38.  Questions on Exception handling

39.  Questions on throw, throws and finally keyword

40.  Questions on Creating own exception

41.  Questions on Enumeartion: enum keyword