import java.util.ArrayList;
import java.util.List;
public class Bin {
double start;
double end;
List<Integer> permNos = new ArrayList<Integer>();
List<String> symbols = new ArrayList<>();
public String serializeSymbols() {
StringBuilder sb = new StringBuilder();
sb.append(start).append(",").append(end);
for (String s : symbols) {
sb.append(",").append(s);
}
return sb.toString();
}
public String serializePermNos() {
StringBuilder sb = new StringBuilder();
for (Integer s : permNos) {
sb.append(",").append(s);
}
return sb.toString();
}
}