package datastructs; import java.io.Serializable; import java.util.ArrayList; import java.util.List; public class DataSequence implements Serializable { private static final long serialVersionUID = 1L; public List steps = new ArrayList<>(); public DataSequence() { } public DataSequence(List steps) { this.steps = steps; } @Override public String toString() { String result = ""; result += "========================================================\n"; for (DataStep step : steps) { result += step.toString() + "\n"; } result += "========================================================\n"; return result; } }