Can a string be null?
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What are heterogeneous objects?
Difference between Web-based applications,Client- Server applications and Distributed applications?
What string is utf8?
What is the difference between replace and replace all?
What is mean by collections in java?
What do you understand by java virtual machine?
Are arrays immutable in java?
What does int argc char * argv [] mean?
how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?
Can we use switch statement with strings?
What do you mean by hashing?
what is encapsulation in java? Explain