2018-02-08

package com.richard.lambdaexpressions;
import java.util.List;
import java.util.function.Consumer;
import java.util.function.Predicate;
public class Roster3 {
public static void processPersons(List<Person> roster,
Predicate<Person> tester,
Consumer<Person> block){
for(Person p:roster){
if(tester.test(p)){
block.accept(p);
}
}
}

public static void main(String[] args) {
    // TODO Auto-generated method stub
    List<Person> roster=Person.createRoster();
    processPersons(roster,
            p->p.getGender()==Person.Sex.MALE &&
            p.getAge()>=20 &&
            p.getAge()<=45,
            p->p.printPerson()
            );
}

}