Does every java program need a main?
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Why local variables are stored in stack?
What is meant by vector class, dictionary class, hash table class, and property class?
Explain pass by reference and pass by value?
What is double in java?
What is boolean used for?
When does a class need a virtual destructor?
Is java 1.7 the same as java 7?
What is the use of a conditional inclusion statement in Java ?
What does microservices mean?
Why string is not a wrapper class?
What about abstract classes in java?
How do you sort an array in java?