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  1. In Inheritance concept, i have a static method
  2. What is the difference between Java
  3. In Inheritance concept can we inherit
  4. What is the difference between Java Command
  5. What is JIT
  6. Can we Connect Applet to Data
  7. What is the difference between Applet
  8. How to run eclipse with jettyserver for
  9. Why abstract class should have
  10. How to write a program for chat function
  11. How to write a program for sending
  12. How to write a server program and sending
  13. Where the static methods will
  14. We know that every Java program must
  15. What is Inheritance, Polymorphism and
  16. What is difference between hashmap
  17. Which one is the better thread implemented
  18. Can you create interface instance
  19. What is the Arraylist limit by default
  20. What is dynamic method dispatch
  21. What do you mean by JVM
  22. How do you change JVM for other
  23. Why should we use Applets
  24. Why non nested classes in Java are not
  25. Can we write a program with out
  26. Which is not Object in Java
  27. What is the difference between pagecontext
  28. Why Java is a platform independent
  29. What advantage does an entity bean
  30. What is a J2EE component? List out
  31. What is a thin-client application
  32. What is private constructor? What are the
  33. Why all programming languages have
  34. How Garbage Collector knows the objects
  35. What is left shift and right
  36. What is bit
  37. How many bits are there in a
  38. What do you mean by Remote
  39. How can we achieve IPC in
  40. How to solve the problem of generating
  41. What is Vector? Can you elaborate
  42. What is hash method
  43. How multi processing is achieved in
  44. What do you mean by thread
  45. What is Interface
  46. How the threads are synchronized
  47. What is the advantage of using
  48. What is thread
  49. What is casting
  50. What is data abstraction? Elaborate
  51. What is encapsulation? Elaborate
  52. What is OOPs
  53. Which methods consisting of
  54. Does a class inherit the constructor
  55. What is the difference between array and
  56. What is the difference between array list and
  57. What is Restrictions in hibernate
  58. Write the code for Palindrome
  59. What are generics in jdk1.5
  60. Difference between flush() and
  61. Can we override static methods
  62. How will you create the class for the
  63. What are the different access Specifiers
  64. What is the difference between below
  65. Is Object class abstract or
  66. Is main( ) method low priority thread
  67. Why String class is immutable
  68. Why there is always a default constructor
  69. Why it is mandatory to have same
  70. Can you Explain about the use of marker
  71. What is the Resource Bundle
  72. Why multiple inheritance not allowed in
  73. What is run time polymorphism
  74. What is compile time polymorphism
  75. How to deprecate a method? Show it with
  76. Can you explain the difference between abstract
  77. How can we synchronize Hash
  78. What is the replacement for goto in Java
  79. Why Java does not support multiple
  80. Java is more Secured language then why
  81. Can any one provide the real time example for
  82. What’s the difference between JSP and
  83. What is mean by inner class
  84. How you will prevent method overriding
  85. How you will prevent inheritance? Is there any
  86. What is overloading in Java
  87. What is the use of final, in which situation
  88. What is the difference between iterator and
  89. What is customized exception
  90. What’s the life cycle of
  91. What is mean by String and
  92. What is mean by method signature
  93. How to create an instance of a class without
  94. How to create an instance of a class if
  95. Without using arithmetic operation ,how can
  96. What is means by DLL file? What is the use of
  97. What is meant by API? Is it related to Java only or
  98. What is the difference between design pattern
  99. What is a virtual function
  100. Why applet doesn't have main? Isn't possible
  101. What is more advisable to create a thread i.e,
  102. Can we have virtual functions in
  103. Why we need to serialize the object
  104. Which class should you use to obtain design
  105. What is the difference between Stream
  106. What is the exact difference between Unicast and
  107. To what value is a variable of the Boolean
  108. How does serialization work
  109. Which Math method is used to calculate the
  110. When does the compiler supply a default
  111. What is Assertion
  112. What is Java
  113. Explain the classification of exceptions and
  114. What are deprecated methods in threads and
  115. Explain the clone method and clonable
  116. Explain oops concepts with examples
  117. When , where and how to use abstract
  118. When to use abstract class and when to
  119. What is the difference between sleep(1000) and
  120. What is the difference between static block and
  121. Write a program to validate IP address
  122. Write a program to create singleton
  123. Write a function to reverse the string
  124. Write a prog to print prime nos upto n
  125. Write a program to print no. of times a number
  126. Write a function to print Fibonacci
  127. What is the difference between PUT and
  128. How many design pattern are there
  129. What is Marker interface in Java ? and
  130. What is the difference between Enumeration
  131. What is Transient and volatile
  132. In the HashMap, we know the values but we
  133. How can we use the servlet as standalone
  134. Can we call the Thread.sleep in Synchronized
  135. What is the difference between static block and static
  136. When a sub class inherits a super class and
  137. What is the use/purpose of having a
  138. How can we read a command line
  139. What is difference Between Core Java and advanced
  140. Can we declare an anonymous class as
  141. What is hard code & soft code
  142. What is the use of Getters and
  143. Explain about System.out.println
  144. When we write class.forName( ); what
  145. Instead of writing Home, Remote Interfaces if
  146. String is an immutable object. Then how can the
  147. What is the difference between ArrayList and
  148. What is the difference between HashMap and
  149. Why to use transient variables when
  150. What is multiple inheritance and can we
  151. Which class to use when concatenating
  152. How many bits are used to represent
  153. What is the difference between abstract
  154. Is it possible to write static method in abstract
  155. Is this possible to create an array of
  156. Which method is used to know the status
  157. What is a package
  158. What happens when a return type ,even
  159. What is the difference between abstraction and
  160. Which One is optimal to choose Synchronized
  161. How can a hash map synchronized with out
  162. Which swing component is similar to rich text
  163. Is Java supports multiple inheritance
  164. How do you relate a Interface to a Class
  165. In Serialization, whether you will use Static
  166. Which is the best way to use for String
  167. What is the use of join() in Threads
  168. What is the use of anonymous inner
  169. What is the format of Inner Class after it
  170. What is the life cycle of Thread
  171. How to set the Heap size in Java
  172. Is JRE required to compile Java files
  173. How do you set security in Applets
  174. What are the different type of access
  175. How many ways can an argument be
  176. What is an object and how do you
  177. What are class,constructor and primitive
  178. What is a static block
  179. What is the Functionality of JVM
  180. What are the purposes of native, transient
  181. What is mean by I/O blocking
  182. What is mean by Heavy components
  183. What is meant by string pooling
  184. Can we declare private class in Java
  185. Why the abstract class has default
  186. What is inner class
  187. Why the primitive data type have classes
  188. How Java is platform independent
  189. What are the Adapter classes
  190. What is meant by serialization
  191. Describe the Important classes in net
  192. What is meant by multicast
  193. How to pass the parameters to applets
  194. What is life cycle of Applet
  195. What are the differences between interface and abstract
  196. What is the difference between multitasking
  197. What are the differences between final,finally,
  198. Write the hierarchy of component class
  199. Explain the Features of Java
  200. Difference between Hash Table and Hash
  201. What is the use of declaring constructor as
  202. Difference between abstract class and
  203. Difference between System.out.println and
  204. How to call static method
  205. What do you meant by Runtime
  206. Why Java is not purely object oriented
  207. What do you meant by Platform-Independent
  208. Difference between JDK, JRE, JVM
  209. Where you use Abstraction and Interface in
  210. What is the difference between the "protected and
  211. Is Java support either call by reference or
  212. Explain why the constructor is required in
  213. What is a transient variable
  214. What are Hostile Applets
  215. Write a program to create a binary
  216. Write a program for recursive Traverse
  217. What is a Wrapper class
  218. Why null interfaces are used in Java
  219. What are null interfaces? Give some
  220. Does Java support multiple Inheritance
  221. Why are the methods of the Math class
  222. Is Java is 100% pure OOPS? Explain
  223. Who developed JScript language
  224. Name the package that always imported by
  225. What are the allowed, non-Unicode letter
  226. To set the position and size of a component
  227. Which java.util classes and interfaces
  228. Which containers use a FlowLayout as
  229. In what type of containers, Border layout is
  230. Which containers may have a MenuBar
  231. To obtain design information about an
  232. Name the immediate superclass of the
  233. Which class is the immediate superclass of
  234. Which class is extended by all other
  235. Which class has no duplicate elements
  236. Which characters are allowed to use as the
  237. In what types of operations an ArithmeticException
  238. Name the method that is used to set a
  239. What is the method used to get the
  240. Which Java operator is right associative
  241. Name the method of a Container that can
  242. Which Component subclass is used for
  243. Where the CardLayout is used
  244. How 'Java' got its name and what it stands
  245. What methods are called, When we navigate
  246. While opening the file, what type of
  247. When we will use an Interface and Abstract
  248. What is update method and when it is
  249. When try and catch block is used
  250. When finally clause is executed