What are the different types of collections in java?
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Difference between static methods, static variables, and static classes in Java.
Explain thread in java?
What happens if we don’t override run method ?
What is a treeset in java?
Why java does not supports multiple inheritance?
Question 6 [9] 6.1 In what situations (in general) would you use a TreeMap? (3) 6.2 In what situations (in general) would you use a HashSet to store a collection of values?
What are the types of relation?
explain the clone method and clonable interface
What are the names of Component subclasses that support painting?
class A{ some variables; public void a()throws Excepion1,Exception2{....} } class B extends A{ variables... public void a()throws E2,E3{.....} } Qns: here override of methods occurs or not,ore else wil give any compilation error or run properly..plz tell me briefly whts happening with the above codes....
How many types of methods are there in java?
Iterator in the HashMap is fail-safe means what?