Notes

import java.io.*; //the File class
import java.util.*; //the Scanner class
import javax.swing.JOptionPane;

public class Driver10
{
public static void main(String[] args)
{
Song[] songList = input();
int totalTime = calcTime(songList);
int longestSong = searchLongestSong(songList);
display(songList, totalTime, longestSong);
System.exit(0);
}

public static Song[] input()
{

Scanner infile = null;
String filename = JOptionPane.showInputDialog("What file?");
try{
infile = new Scanner(new File(filename));
}
catch(FileNotFoundException e)
{
JOptionPane.showMessageDialog(null,"The file could not be found.");
System.exit(0);
}
int numitems = Integer.parseInt(infile.nextLine());
Song[] songs = new Song[numitems];
for(int i = 0; i < numitems; i++)
{
songs[i] = new Song(infile.nextLine());
}
infile.close();
return songs;
}

public static int calcTime(Song[] songs)
{

int totalMinute = 0;
int totalSecond = 0;
for(int i = 0; i < songs.length; i++)
{
totalMinute += songs[i].getMinute();
totalSecond += songs[i].getSecond();
}
return totalMinute * 60 + totalSecond;
}

public static int searchLongestSong(Comparable[] songs)
{

int longestTime = 0;
for(int i = 0; i < songs.length; i++)
if(songs[longestTime].compareTo(songs[i]) < 0)
longestTime = i;
return longestTime;
}

public static void display(Song[] array, int total, int longestSong)
{
System.out.println("Total Time: " + total / 60 + "' " + total % 60 + "''");
System.out.println("Longest song: " + array[longestSong].getTitle() + " (" + array[longestSong].getMinute() + "' " + array[longestSong].getSecond() + "'')");
}
}
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public class Song implements Comparable<Song>
{
//data fields
private String myTitle;
private int myMinute, mySecond;

//constructors
public Song(String toBeParsed)
{
myMinute = Integer.parseInt(toBeParsed.substring(0,toBeParsed.indexOf(':')));
mySecond = Integer.parseInt(toBeParsed.substring(toBeParsed.indexOf(':')+1,toBeParsed.indexOf(' ')));
myTitle = toBeParsed.substring(toBeParsed.indexOf(' ')+1);
}
//accessors and modifiers
public int getMinute()
{
return myMinute;
}
public int getSecond()
{
return mySecond;
}
public String getTitle()
{
return myTitle;
}

public void setMinute(int min)
{
myMinute = min;
}
public void setSecond(int sec)
{
mySecond = sec;
}
public void setTitle(String title)
{
myTitle = title;
}

//other methods: compareTo(), equals(), toString()
public int compareTo(Song comparingSongs)
{
if(comparingSongs.getMinute() - myMinute == 0)
return mySecond - comparingSongs.getSecond();
return myMinute - comparingSongs.getMinute();
}

public boolean equals(Song comparingSongs)
{
if(compareTo(comparingSongs) == 0)
return true;
return false;
}

public String toString()
{
return myTitle + " " + "(" + myMinute + "' " + mySecond + "'' " + ")";
}


}