What is object data type?
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Is a boolean 1 bit?
program to validate the IP address? Validity range should be 0 to 255
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I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?
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Describe 2 different ways to concatenate two strings.
I want to persist data of objects for later use. What’s the best approach to do so?
can we override the main() method in java????
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What isan abstract class and when do you use it?