What is difference between length and length() method in java ?
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what is difference betwwen hashmap and hashtable ?
What data type is string java?
Can we override private constructor in java?
Is ++ operator is thread safe in java?
How does marker interface provides functionality to the implemented class ? or How dose maker interface gets the functionalities as serialization or cloning.
What does the @override annotation do?
Is ruby built on java?
Explain about the security aspect of java?
Can we use switch statement with strings?
Explain method overloading?
make a method which any number and any type of argument and print sum of that arguments.....
Mention some interfaces implemented by linked list in java.