Answer Posted / keerthi

Any class that is written in java is aby default sub class to object class

Why chararray() is preferred over string to store the password?

1026

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Where is the singleton class used?

1031

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Is java hard to learn?

901

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Can you extend main method in java?

1182

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What is constructor in java ?

1192

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What is the use of default method in interface in java? Explain

1006

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What is the importance of hashcode() and equals() methods?

1054

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Can a class declared as private be accessed outside it’s package?

1013

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Why arraylist is not synchronized in java example?

1062

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What is the difference between access specifiers and access modifiers in java? 16

1000

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Who developed java?

989

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Can we able to pass objects as an arguments in java?

1023

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Are arrays static in java?

1054

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What is treemap in java?

944

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What language is java written?

1018

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