What is the difference between a synchronized method and a synchronized block?
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wat is class level lock and object level lock
What is difference between static and abstract class?
What is the final keyword denotes?
Can a main method be declared final?
Why is string buffer better than string ?
why pointer is not used in java?
what is the purpose of class "Object" which is base class for all classes?
If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?
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Is string is a data type in java?
What is an infinite loop? How infinite loop is declared?
33. try { 34. // some code here 35. } catch (NullPointerException e1) { 36. System.out.print(”a”); 37. } catch (RuntimeException e2) { 38. System.out.print(”b”); 39. } finally { 40. System.out.print(”c”); 41. } What is the result if a NullPointerException occurs on line 34? 1 c 2 a 3 ab 4 ac
what is meta-Inf?