practice.java

import java.util.List;
import java.util.ArrayList;

class ClimbInfo
{
  private String name;
  private int time;

  /** Creates a ClimbInfo object with name peakName and time climbTime.
    *
    * @param peakName the name of the mountain peak
    * @param climbTime the number of minutes taken to complete the climb */
  public ClimbInfo(String peakName, int climbTime)
  {
    name = peakName;
    time = climbTime;
  }

  /** @return the name of the mountain peak */
  public String getName()
  {
    return name;
  }

  /** @return the number of minutes taken to complete the climb */
  public int getTime()
  {
    return time;
  }

  public String toString()
  {
    return "Peak name: " + name + " time: " + time;
  }
}

public class ClimbingClub
{
   /** The list of climbs completed by members of the club.
    * * Guaranteed not to be null. Contains only non-null references.
    */
  private List<ClimbInfo> climbList;

  /** Creates a new ClimbingClub object. */
  public ClimbingClub()
  {
     climbList = new ArrayList<ClimbInfo>();
  }

  /** Adds a new climb with name peakName and time climbTime to the end of the list of climbs
   *
   * @param peakName the name of the mountain peak climbed
   * @param climbTime the number of minutes taken to complete the climb
   */
  public void addClimb(String peakName, int climbTime)
  {
      int i = 0;
      while (i < climbList.size() && climbList.get(i).getName().compareTo(peakName) < 0){
        i++;
      }
      climbList.add(i, new ClimbInfo(peakName,climbTime));
  }

  public String toString()
  {
    String output ="";
    for (ClimbInfo info : climbList)
    {
      output = output + info.toString() + "\n";
    }
    return output;
  }

  public static void main(String[] args)
  {
    // test a
    ClimbingClub hikerClub = new ClimbingClub();
    hikerClub.addClimb("Monadnock", 274);
    hikerClub.addClimb("Whiteface", 301);
    hikerClub.addClimb("Algonquin", 225);
    hikerClub.addClimb("Monadnock", 344);
    System.out.print(hikerClub);
    System.out.println("The order printed above should be Algonquin, Monadnock, Monadnock, Whiteface");
  }

}