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Java 8 flatMap example
In Java 8, Stream can hold different data types, for examples:
2019-08-17【[Java]】
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Java 8 Stream Convert List<List<String>> to List<String>
As title, we can use flatMap to convert it.
2019-08-11【[Java]】
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Java Regular Expression Examples
Java 8 stream and regular expression examples.
2019-08-11【[Java]】
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