How can we find the actual size of an object on the heap?
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what is the output??????? public class multireturn { public(int assign x ( int x) { if(4==x) { return 7; } else if (7=x+3) { return 6; } return 5; } }
Name the class that used to read objects directly from a stream?
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 purpose of finalization?
What does opcode mean?
Is set sorted in java?
Is array a class in java?
as we know a static method could access static data and static method only. then how could main method call the object of aclass which is not static and other non static data
what is the diff between Servletcontext and servletconfig?
What are different types of references?
What is volatile data type?
What is the difference between pageContext and page implicit objects in jsp?
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