What happens if we don’t override run method ?
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define polymorphism in java
What is currentthread()?
How does predicate work in java?
What is contract between hashcode and equal method?
How many bytes is a url?
What is an immutable object? How do you create one in java?
What is slash r?
Compare Mutex and Semaphore in java.
What are the types of arrays in java?
all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.
What is object-oriented paradigm?
Give an example of call be reference significance.