| import java.util.List; |
| import java.util.function.BiFunction; |
| |
| @FunctionalInterface |
| public interface Lambda { |
| String process(String value); |
| } |
| |
| public interface Processor { |
| void process(String value); |
| } |
| |
| public class Agenda { |
| |
| Lambda functional = p -> p.toLowerCase(); |
| |
| private List<String> persons; |
| |
| public void lambdaMap(String personName) { |
| return persons.stream().map(p -> p.toLowerCase()); |
| } |
| |
| public void lambdaMap2(){ |
| return persons.stream().map(p -> p.codePoints()); |
| } |
| |
| public void reduce(){ |
| List<Integer> a; |
| return a.stream().reduce((x,y) -> x * y); |
| } |
| |
| double test(BiFunction<Integer,List,String> func){ |
| return 0; |
| } |
| |
| public void print(String value) { |
| return process(value, v -> System.out.println(v)); |
| } |
| |
| private void process(String value, Processor a) { |
| a.process(value); |
| } |
| |
| public double bifunc(){ |
| return test((x,y) -> String.valueOf(func(x,y))); |
| } |
| |
| int func(int a, List b){ |
| return 1; |
| } |
| |
| public void testFunctionalVar() { |
| Lambda a = p -> p.toLowerCase(); |
| } |
| |
| } |