What is java flatmap?
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How do I run a project in eclipse?
What is lazy loading in jpa?
Can we use lambda without functional interface?
How do I open my java console?
Explain the inheritance principle.
How can you work with permissions from your .net application? : java security
What are tlds in java?
Which type of stream is in java?
What is meant by swing in java?
In a barber shop there are 2 doors. customer come in 1 door, leave in other. minimum # of chairs. barber spend his life in cutting. always barber can cut 1 customer. few chairs in the shop. if barber busy customer waits, if chairs full, customer leave. if no customer, barber sleeps. treat barber and customer as 2 threads. you can use Semaphore class with arrive and depart and count as parameter.
Why bean class is used in java?
Does jvm maintain a cache by itself? Does the jvm allocate objects in heap? Is this the os heap or the heap maintained by the jvm? Why