What is a char in java?
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what is the final keyword denotes in java?
What is arraylist class in java?
What are heterogeneous objects?
How to reverse string in java?
what is the use of abstract class?
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Why operator overloading is not in Java?
Suppose i have two threads t1 and t2 are running.How the main thread will know that the two threads t1,t2 execution has completed?
What is meant by wrapper classes?
What is a singleton factory?
where is .equals() method and how is it different from == operation <giving some confusing implementation> Is hashing related to these?
Explain about Superclass and Subclass?
Howmany number of objects we can store in an ArrayList. Is there any limit?