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Java Developer Interview Questions

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Which is the superclass of all classes?

7 Answers

The Object Class

Object class is the superclass of classes

Object class is the superclass of all the classes

The number of lilies in a pond double every day. So, on the first day of the month there is one lily. On the second day, two lilies. Then the next day four lilies, then eight, sixteen, thirty two, etc. If the pond is full on the 30th day of the month, what day is it half full?

5 Answers

Question were simple.

1 Answer

tell me abt yourself....?

1 Answer

1.IS java platform independent ? 2.Jvm too? 3.byte code? 4.12 methods of String ? 5.System.err.println("Hello");? 6.write coding for /create one Custom exception? 7.what are checked and unchecked Exception?

1 Answer

How will you swap two numbers without using a temp

2 Answers

Tell me about yourself

1 Answer

tell me about urself

1 Answer

First round was a system test

1 Answer

They will check your logical understanding by asking some algo e.g. sorting, searching algos and difficulty will depend on your exp. In my case array was given and interviewer asked me to do sorting with any algo.

1 Answer
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