What design pattern you have used in your project? I answered Factory pattern, how it is implemented? What are its advantage? Do know about Abstract Factory?
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How can an exception be thrown manually by a programmer?
What is hashmap and map?
what is encapsulation in java? Explain
How many types of gc are there in java?
Explain the difference between Unicast and Multicast objects?
Is null a value?
Diff between C++ and java?
why java does not have operator overloading?
I want to control database connections in my program and want that only one thread should be able to make database connection at a time. How can I implement this logic?
How do I find and replace in word?
Superclass of exception
why doesn't java run on all platforms?