What is the importance of finally block in exception handling?
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Which is the best approach for creating thread ?
What is remote method invocation (rmi)?
I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?
what is difference between String buffer and String builder?
What is encapsulation in java?
Where is singleton pattern used?
Explain the difference between map and flatmap stream operation?
what is a thread pool in java and why is it used?
What is dynamic dispatch in java?
What is object of class in java?
What is meant by oops concept in java?
Why is java multithreaded?