Скачать или смотреть java se 8 syllabus

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java se 8 (standard edition) introduced a number of important features and enhancements that significantly improved the language and the development experience. below is an informative tutorial on key topics in the java se 8 syllabus, along with code examples.

1. *lambda expressions*
lambda expressions allow you to write concise code for instances of functional interfaces.

*example:*


2. *functional interfaces*
a functional interface is an interface that contains exactly one abstract method. java se 8 provides several built-in functional interfaces in the `java.util.function` package.

*example:*


3. *streams api*
the streams api allows you to process sequences of elements (like collections) in a functional style.

*example:*


4. *default methods*
java se 8 allows you to add new methods to interfaces with default implementations.

*example:*


5. *optional class*
the `optional` class is a container that may or may not contain a value, used to avoid null references.

*example:*


6. *nashorn javascript engine*
java se 8 introduced the nashorn javascript engine, which allows you to execute javascript code.

*example:*


7. *date and time api*
java se 8 introduced a new date and time api that addresses many of the shortcomings of the old `java.util.date` and `java.util.calendar` classes.

*example:*


8. *completablefuture*
completablefuture provides a way to write asynchronous, non-blocking code.

*example:*


conclusion
java se 8 introduced significant improvements that enhance the language's capabilities, especially in functional programming and concurrency. these features make java more expressive and easier to work with, enabling developers to write cleaner and more maintainable code.

for a deeper understanding, it's recommended to explore each topic with hands-on practice and experimentation. happy coding!

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