What are implicit objects in java?
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Why does abstract class have constructor?
What is the base class in java from which all classes are derived?
What is arraylist e in java?
What is difference between hashset and hashmap in java?
java Api provided try catch finally ,try catch(its ok) but why try finally and exception occured at try then how the flow is?
When is update method called?
How to find the size of an array a)array.length() b)array.length c)array.size() d)array.size
What is oops in java?
How is Garbage collection done in Java?
Difference between the paint() and repaint() methods?
whats string ?
Can we override tostring method in java?