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随笔分类 -  java8

To record the process of learning java8

4.method reference

摘要：There is 4 method of the referenced method: Student class: StudentComparator class: Test:public class MethodReferenceTest { 阅读全文

posted @ 2017-05-21 16:28 huiGod 阅读(188) 评论(0) 推荐(0)

3.Optional

摘要：The Optional class encapsulate the object type.To avoid some exception (ex.NullPointException...) Plz go http://docs.oracle.com/javase/8/docs/api/ to 阅读全文

posted @ 2017-05-21 16:08 huiGod 阅读(84) 评论(0) 推荐(0)

2.funtions

摘要：The most crucial distinguish between functional interface invoking and traditional method invoking is that transforming behavious or params it is.Howe 阅读全文

posted @ 2017-05-21 15:58 huiGod 阅读(266) 评论(0) 推荐(0)

1.FunctionalInterface

摘要：The @FunctionalInterface is new annotation in java8.To invoke the function interface's method can be replaced by lambda expression.There is : 1.A func 阅读全文

posted @ 2017-05-21 14:21 huiGod 阅读(246) 评论(0) 推荐(0)

collect method

摘要：1.The collect is declared by the Interface of Stream.The param is Collector Interface. 2.The Collector Interface mainly contains 4 functions about: (1 阅读全文

posted @ 2017-05-21 13:33 huiGod 阅读(196) 评论(0) 推荐(0)