Mobileum Bangalore Core Java Developer Interview
Mode - Telephonic Date - April 2020 Experience - 3 years Interviewer - Mohak Gogri Tell me briefly about yourself. Explain all the projects that you have worked on. What are the differences between String , StringBuffer and StringBuilder? Why String is Immutable? What are the other immutable classes are there in java? How to make a user defined class Immutable? What are the access modifiers in java? What are the differences between ArrayList and LinkedList? In LinkedList there is a loop that 4th element is pointing to 1st or 2nd element, then how can we detect whether the loops are there or not in LinkedList stored data? In short the question is " How to detect a loop in LinkedList "? Explain the logic for prime number.for(int i=2;i<=n/2;i++) .Can you make it more efficient by making some changes in testing condition part of this existing code? What are the differences between Interface and Abstract class? If abstract class is there then what's the ne
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