Which is faster string or stringbuilder?
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What is the difference between Synchronizing mehtod & Synchronizing block?
What is instance synchronization?
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
Can final class have constructor?
When try and catch block is used ?
What is thread?
Difference between java and javascript
What is polymorphism and what are the types of it?
How are Observer and Observable used?
Which containers may have a MenuBar?
Why do we use predicate in java?
What is the purpose of the return statement?