What is the difference between jvm and jre? What is an interface?
write a program to create an arraylist with string(add,remove) operation.and value should be enter through keyboard.
take an array with -ve and +ve value both.find out the nearest value of 0(zero).if two values are same like(-2 and +2)then extract +2 is nearest of 0(zero).
What is a modifier?
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 the difference between equals() and?
justify c is portable
What are the 8 data types in java?
Is it possible for yielded thread to get chance for its execution again ?
How many times finalize method will be invoked? Who invokes finalize() method in java?
What is the use of collections in java? How it is implemented in real time applications?
what is request dispatcher and how does it work?
What is reflexive association?