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  1. What is the use of the Optional.stream() method in Java 9?

  2. What kind of variables/methods defined in an interface in Java 9?

  3. How to import external libraries in JShell in Java 9?

  4. How to create a module in Java 9?

  5. What is the purpose of using Optional.ifPresentOrElse() method in Java 9?

  6. How to handle an exception in JShell in Java 9?

  7. Differences between Optional.ifPresentOrElse() and Optional.or() methods in Java 9?

  8. What are the characteristics of a module in Java 9?

  9. What are the benefits of a module in Java 9?

  10. How to define control flow statements in JShell in Java 9?

  11. Importance of transferTo() method of InputStream in Java 9?

  12. What is the JLink tool in Java 9?

  13. How to load a file into the JShell session in Java 9?

  14. How to create scratch variables in JShell in Java 9?

  15. How to use the collect() method in Stream API in Java 9?

  16. Why do we need private methods in an interface in Java 9?

  17. How to get the date and time in JShell in Java 9?

  18. How to get dates using LocalDate.datesUntil() method in Java 9?

  19. When to use the readAllBytes() method of InputStream in Java 9?

  20. How to declare a class and an interface in JShell in Java 9?
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