import java.util.function.Supplier;

public class Task200625 {
    public static void main(String[] args) {
        Supplier<Integer> supplier = () -> {
            System.out.print("A");
            return 1;
        };

        System.out.print("B");
        supplier.get();
        System.out.print("C");
    }
}

import java.util.function.Consumer;

public class Task230625 {
    public static void main(String[] args) {
        Consumer<String> consumer1 = s -> System.out.print(s.toUpperCase());
        Consumer<String> consumer2 = s -> System.out.print("|" + s + "|");
        
        consumer1.andThen(consumer2).accept("test");
    }
}

public class Task240625 {
    public static void main(String[] args) {
        String s = null;
        s = s + "Java";
        System.out.println(s);
    }
}

import java.util.function.Consumer;

public class Task250625 {
    public static void main(String[] args) {
        Consumer<String> c1 = s -> System.out.print("A" + s);
        Consumer<String> c2 = s -> System.out.print("B" + s);
        
        c1.andThen(c2).accept("1");
        c2.andThen(c1).accept("2");
    }
}

public class Task260625 {
    public static void main(String[] args) {
        Integer a = 100;
        Integer b = 100;
        Integer c = 200;
        Integer d = 200;
        
        System.out.println((a == b) + " " + (c == d));
    }
}

import java.util.function.Predicate;

public class Task270625 {
    public static void main(String[] args) {
        Predicate<String> p1 = s -> s.length() > 5;
        Predicate<String> p2 = s -> s.startsWith("J");
        
        System.out.println(p1.or(p2).test("Java"));
    }
}