System.out.println ("Welcome To My Program");
System.out.println ("Please choose what you want to do (1, 2, 3, 4)");
System.out.println ("1. Input information for your collection");
System.out.println ("2. Edit your collection");
System.out.println ("3. View your collection");
System.out.println ("4. Leave");

InputStreamReader inputRead = new InputStreamReader (System.in);
BufferedReader bufRead = new BufferedReader (inputRead);

String choice = "";

try
{
System.out.print ("Enter Choice: ");
choice = bufRead.readLine ();
}

catch (IOException err)
{
System.out.println ("Error Reading Line");
}

// do what the user chooses to do.

import java.lang.*;
import java.io.*;
import java.util.*;

class Person implements Comparable
{
   private String name;
   private int age;

   public Person(String name, int age)
   {
      this.name = name;
      this.age = age;
   }

   public String getName()
   {
      return name;
   }

   public int getAge()
   {
      return age;
   }

   public int compareTo(Object o)
   {
      Person p = (Person)o;
      int comparison = name.compareTo(p.getName());

      if (comparison == 0)
      {
         int otherComp = new Integer(age).compareTo(new Integer(p.getAge()));
         return otherComp;
      }
      else
      {
         return comparison;
      }
   }

   public String toString()
   {
      return name + " " + age;
   }
}

public class SortTest
{
   public static void main(String[] args)
   {
      Person[] people = new Person[4];
      people[0] = new Person("Bob", 45);
      people[1] = new Person("John", 23);
      people[2] = new Person("Arnold", 18);
      people[3] = new Person("Bob", 16);

      Arrays.sort(people);

      for (int i = 0; i < 4; i++)
         System.out.println(people[i]);
   }
}

String[] foo = {"hello","world","foo","bar"};

Arrays.sort(foo);