package functional;

import java.util.Comparator;
import java.util.function.*;

class AA {
}


class BB {
}


class CC {
}


/**
 * @Author ZhangGJ
 * @Date 2020年12月27日 16:12
 */
public class ClassFunctionals {
 static AA f1() {
 return new AA();
 }

 static int f2(AA aa1, AA aa2) {
 return 1;
 }

 static void f3(AA aa) {
 }

 static void f4(AA aa, BB bb) {
 }

 static CC f5(AA aa) {
 return new CC();
 }

 static CC f6(AA aa, BB bb) {
 return new CC();
 }

 static boolean f7(AA aa) {
 return true;
 }

 static boolean f8(AA aa, BB bb) {
 return true;
 }

 static AA f9(AA aa) {
 return new AA();
 }

 static AA f10(AA aa1, AA aa2) {
 return new AA();
 }

 public static void main(String[] args) {
 Supplier<AA> s = ClassFunctionals::f1;
 s.get();
 Comparator<AA> c = ClassFunctionals::f2;
 c.compare(new AA(), new AA());
 Consumer<AA> cons = ClassFunctionals::f3;
 cons.accept(new AA());
 BiConsumer<AA, BB> bicons = ClassFunctionals::f4;
 bicons.accept(new AA(), new BB());
 Function<AA, CC> f = ClassFunctionals::f5;
 CC cc = f.apply(new AA());
 BiFunction<AA, BB, CC> bif = ClassFunctionals::f6;
 cc = bif.apply(new AA(), new BB());
 Predicate<AA> p = ClassFunctionals::f7;
 boolean result = p.test(new AA());
 BiPredicate<AA, BB> bip = ClassFunctionals::f8;
 result = bip.test(new AA(), new BB());
 UnaryOperator<AA> uo = ClassFunctionals::f9;
 AA aa = uo.apply(new AA());
 BinaryOperator<AA> bo = ClassFunctionals::f10;
 aa = bo.apply(new AA(), new AA());
 }
}