DLC_Sample.java

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

public class DLC_Sample {
    private List<String> badList = new ArrayList<String>();
    private List<String> goodList = new ArrayList<String>();
    private List<String> questionableList = new ArrayList<String>();

    public void test1(String s1, String s2) {
        if (badList.contains(s1))
            badList.add(s2);

        for (int i = 0; i < badList.size(); i++) {
            String s3 = badList.get(i);
            if (badList.indexOf(s1 + s2) >= 0)
                badList.remove(s3);
        }
    }

    public void test2(String s1, String s2) {
        int idx = goodList.indexOf(s1);
        goodList.set(idx, s2);
    }

    public List<String> test3(String s1) {
        if (questionableList.contains(s1))
            return questionableList;
        List<String> nl = new ArrayList<String>();
        nl.add(s1);
        return nl;
    }
}