Explain the polymorphism principle?
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Tell us something about an iterator.
What is string subsequence method?
Explain JPA in Java.
Is string passed by reference in java?
What ide should I use for java?
What is the reason that multiple inheritance is not possible in java??
What is equlas() and hashcode() contract in java? Where does it used?
Can constructor be inherited?
"We cannot create an object of interface but we can create a variable of it". Discuss the statement with the help of an example. (Plz help us to provide immediately.)
Does printwriter create a file?
What are the restrictions imposed on method overriding?
Is it possible to write a regular expression to check if string is a number?