What are jpa repositories?
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Who created eclipse?
If you’re overriding the method equals() of an object, which other method you might also consider?
What if I do not provide the string array as the argument to the method?
Write a class which checks whether a given number is prime or not. Write another class to implement the behavior of previous class and print the series of twin prime number upto a given range.
Why we need method overriding in JAVA ? I mean which method I have to override I can write that method in my Class.
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.
what about jdb and javadoc by example ?
What are the differences between java’s old java date api and java 8’s date and time api?
What are microservices in java?
What is jsr in java?
How do I know if I have jre or jdk?
What is the most important feature of java?