Why do we need data structure in java?
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Hi can u pls tell me what is the use of marker interface. Iknow what is marker interface but what ability will the object get by implementing this.
When will we prefer to use set and list in java and why?
Can you declare a private method as static?
You can create a string object as string str = “abc”; why cant a button object be created as button bt = “abc”;? Explain
What is the importance of finally block in exception handling?
Is it possible to compare various strings with the help of == operator?
What is stop(), suspend(), resume() method?
what is difference between set and list in collection?
How do you get length in java?
What is boolean keyword in java?
Why stringbuilder is not thread safe in java?
Give differences between Quicksort &Mergesort. When should these sorts be used andwhat is their running time in java?