import java.util.function.Supplier;
import java.util.ArrayList;

public class ValueCapture {
    public static void main(String[] args) {
	ArrayList<Supplier<Integer>> funcs = new ArrayList<>();
	for (int i = 0; i < 10; i++) {
	    int j = i;
	    funcs.add(() -> j * j);
	}

	Supplier<Integer> foo = funcs.get(3);
	System.out.println(foo.get()); // prints "9"
    }
}