1. Synchronisation 2. Immutable class 3. String: Why use String 4. HashMap : Internal working 5. Hashset and Hashtable 6. Overriding: can de decrease the scope of method in Child class? 7. Base class in Java: Answer-Object Class 8. Which are methods in Base class and their behaviour 9. Hashcode() and equals() method implementation 10. How to create thread: By extending Thread class and by implementing runnable interface
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By any chance did you got any communication from them. Avan am waiting for the confirmation
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