What is the difference between JDK and JVM?
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What is collection class in java? List down its methods and interfaces.
what is optional in java 8?
What is the association?
What happens if constructor is private?
How you can create a radio buttion using Checkbox class?
What are the 6 mandatory procedures for iso 9001?
What is the use of generics? When was it added to the Java development Kit?
What is meant by class loader? How many types are there? When will we use them?
I have a sorting issue with a Hashmap. My constraint is that I MUST use the Hashmap and work with existing code. I do a database query and place the results in a Hashmap. When I iterate thru the Hashmap, it loses the original alphabetical sorting done by the database. So, my problem is that I must sort the results coming out of the Hashmap which is then placed into another class.
What is the importance of static variable?
what is webservices
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Is it possible to do method overloading and overriding at a time