Delimiters.java - incomplete

import java.util.*;

public class Delimiters{
    private String openDel;
    private String closeDel;

    public Delimiters(String open, String close){
        openDel = open;
        closeDel = close;
    }

    public ArrayList<String> getDelimitersList(String[] tokens){
        //part a
      return null;
    }

    public boolean isBalanced(ArrayList<String> delimiters){
        //part b
      return false;
    }
}