Pregunta de entrevista de Infosys
What Collection? How can you create a thread? Explain about multithreading concepts? Difference between HashMap and Concurrent HashMap? How can you create rest api? Write an sql query to get second highest salary?
What Collection? How can you create a thread? Explain about multithreading concepts? Difference between HashMap and Concurrent HashMap? How can you create rest api? Write an sql query to get second highest salary?