publicclasscollectionFrameWorkLambda{publicstaticvoidmain(String[] args){ List<Product> list =newArrayList<>();//Adding Productslist.add(newProduct(1,"HP Laptop",25000f)); list.add(newProduct(3,"Keyboard",300f)); list.add(newProduct(2,"Dell Mouse",150f));//implementing lambda expression//...
1. lambda expression,基本结构(args)->{dosth;return sth2;} 例子来自javatpoint.com Sayable s2= name ->{return"Hello, "+name; }; 1 Addable ad2=(inta,intb)->(a+b); 1 2 3 list.forEach( (n)->System.out.println(n) ); 1 2 3 4 5 Runnable r2=()->{ System.out.println("Th...
1. lambda expression,基本结构(args)->{dosth;return sth2;} 例子来自 Sayable s2= name ->{ return "Hello, "+name; }; 1. 2. 3. Addable ad2=(int a,int b)->(a+b); 1. list.forEach( (n)->System.out.println(n) ); 1. 2. 3. Runnable r2=()->{ System.out.println("Thread...
});//lambdalistDevs.sort((Developer o1, Developer o2)->o1.getSalary().compareTo(o2.getSalary()));//lambdalistDevs.sort((o1, o2)->o1.getSalary().compareTo(o2.getSalary()));Copy 3.4 Reversed sorting. 3.4.1 Lambda expression to sort a List using their salary. Comparator<Developer> sala...
支持lambda表达式,还支持对元素流的函数式操作,比如集合上MapReduce-inspired 的转换。默认方法允许API的作者在不破坏旧代码的情况下向接口添加新方法。 JSR 223, JEP 174: Project Nashorn, a JavaScript runtime which allows developers to embed JavaScript code within applications ...