What is use of arraylist in java?
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What is hashmap and map?
Can we declare the main method of our class as private?
How do you create immutable object in java?
What is the old name of java?
Can we overload run() method in java?
What is final method in java?
Why does java not support operator overloading?
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
Is object a data type?
How to print nodes of a Binary tree?
can we Connect Applet to Data Base ? with Discriptiom. and also What is Diff. from Applet & Servlet?
what is Dictionary? and what purpose it is used for?