Java8-Lambda-No.05

import java.util.HashMap; import java.util.function.BiConsumer; public class Lambda5 { //Pre-Defined Functional Interfaces public static void main(String... args) { //BiConsumer Example BiConsumer<String,Integer> printKeyAndValue = (key,value) -> System.out.println(key+"-"+value); printKeyAndValue.accept("One",1); printKeyAndValue.accept("Two",2); System.out.println("##################"); //Java Hash-Map foreach supports BiConsumer HashMap<String, Integer> dummyValues = new HashMap<>(); dummyValues.put("One", 1); dummyValues.put("Two", 2); dummyValues.put("Three", 3); dummyValues.forEach((key,value) -> System.out.println(key+"-"+value)); } }

转载于:https://www.cnblogs.com/bilaisheng/p/10210912.html

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