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Java questionnaire

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If you are hunting for career in Java, do check the relevant collections of the questionnaire asked by the interviewers more frequently.

Java questionnaire

     

If you are hunting for career in Java, do check the relevant collections of the questionnaire asked by the interviewers more frequently. 

Here is a good link to a pool of frequently asked (Core java) interview questions. 

http:/www.roseindia.net/interviewquestions/corejava.shtml

Or If you want to go for the relevant core java questions then just browse:

  •  Page 1
    How could Java classes direct program messages to the system console, but error messages, say to a file?
        
  • Page 2
    Does it matter in what order catch statements for FileNotFoundException and IOExceptipon are written?
     
  •  Page 3
    When you declare a method as abstract method ?
     
  • Page 4
    What is the difference between checked and Unchecked Exceptions in Java ?
     
  • Page 5
    What are different types of inner classes ?
      
  • Page 6
    How can i tell what state a thread is in ? 
      
  • Page 7
    What is serialization ?
      
  • Page 8
    What are the static fields & static Methods ? 
     
  • Page 9
    What are the uses of Serialization? 
      
  • Page 10
    What is the difference between notify and notify All methods ? 
     
  • Page 11
    What is serialization ? 
      
  • Page 12
    What is a transient variable?
     
  • Page 13
    What is an Iterator interface?
     
  • Page 14
    What is clipping?
     
  • Page 15
    What invokes a thread's run() method?
      
  • Page 16
    Which containers may have a MenuBar?
     
  • Page 17
    What is the difference between a Window and a Frame?
      
  • Page 18
    Is &&= a valid Java operator?
      
  • Page 19
    What is the difference between static and non-static variables?
      
  • Page 20
    Name four Container classes.
      
  • Page 21
    How are the elements of a GridLayout organized?
      
  • Page 22
    What is a compilation unit?
     
  • Page 23
    To what value is a variable of the boolean type automatically initialized?
     
  • Page 24
    Why do we need public static void main(String args[]) method in Java?
      
  • Page 25
    What are null or Marker interfaces in Java?
      
  • Page 26
    How many number of non-public class definitions can a source file have A source file can contain unlimited number of non-public class definitions List primitive data types, there size and there range (min, max).
      
  • Page 27
    What are access modifiers?
      
  • Page 28
    What are wrapped classes?
      
  • Page 29
    What is the difference between while and do while loop?
      
  • Page 30
    What's the difference between constructors and other methods?
      
  • Page 31
    Where does java thread support reside?
     
  • Page 32
    What is the ultimate ancestor of all java classes?

 

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Posted on: November 13, 2009

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