What is use of jpa?
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What is class path in java?
What gives java it’s “write once and run anywhere” nature?
Is jdk an ide?
What is a java executable jar file?
Explain the Sequence Diagram?
Explain working of java virtual machine (jvm)?
What is mime in java?
What is numberformatexception in java?
What is singleton pattern in java?
I want to control database connections in my program and want that only one thread should be able to make database connection at a time. Define how can I implement this logic?
What is connection pooling in java?
What is the first argument of the string array in main method?