SEC_Sample.java

package ex;
import java.util.ArrayList;
import java.util.List;

public class SEC_Sample {
    public SEC_Sample(List<SEC_Sample> l) {
        l.add(this);
    }

    public static void main(String[] args) {
        List<SEC_Sample> l = new ArrayList<SEC_Sample>();
        new SEC_Sample(l);
    }

    public void test() {
        List<SEC_Sample> l = new ArrayList<SEC_Sample>();
        new SEC_Sample(l);
        main(new String[0]);
    }
}