What are the benefits of operations in java?
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Give me an example of array and linked list? Where they can be used?
What is covariant return type?
How does java enable high performance?
What is downcasting?
Which is illegal identifier in java?
Write a program for recursive Traverse?
When is the finalize() called? What is the purpose of finalization?
How to convert a string to long?
We have two methods to create methods the threads. 1. Implementing runnable interface 2. Extending to thread class and overriding run method. Among these two which one is better and why? Please explain me in detail.
What is Java Shutdown Hook?
What are the ways in which a thread can enter the waiting state?
Can a java program have 2 main methods?