What is the use of optional ?
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What are the interfaces defined by Java.lang package?
What is the arguement of main method?
why we cannot declare static variable inside a static method
Difference between operator overloading and function overloading
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Explain creating threads by extending thread class ?
Why java is platform independent? Explain.
How variables are declared?
What is regex java?
Is an empty arraylist null?
what is mutual exclusion? How can you take care of mutual exclusion using java threads? : Java thread
Create a form of user Login in JSP, that accepts the user name and password from user and authenticate it with user names and passwords stored in database. (Plz provide me answer immediately)
How can two threads be made to communicate with each other?