KoffeeKlub

SuppliFication.java

package ch_015;

import java.time.LocalDate;
import java.util.function.Function;
import java.util.function.Supplier;

public class SuppliFication {
    public static void main(String[] args) {
        Function<MySupplier, String> foo = MySupplier::get;
        System.out.println(foo.get());
    }
}

class GoImpl implements GoSupplieIt<String>{
    @Override
    public String goGetIt() {
        return "null; " + LocalDate.now();
    }
}

@FunctionalInterface
interface GoSupplieIt<T> {
    T goGetIt();
}


class MySupplier implements Supplier<String>{
    @Override
    public String get() {
        return "My DateNow : " + LocalDate.now();
    }
}