import java.util.*;

public class PhoneBookEntry
{

ArrayList <String> user = new ArrayList <String>();
ArrayList <String> phone = new ArrayList <String>();

public void setUser(String contact)
{
user.add(contact);
}

public void setPhone(String number)
{
phone.add(number);
}

public String getUser()
{
for(String contact : user)
{
return (contact);
}
}

public String getPhone()
{
for(String number : phone)
{
return (number);
}
}

}

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

public class NumberAnalysis
{
private double low , high, avg, sum ;
private double[] numbers = new double[50];
int i = 0, count;
String file1;

public void openFile(String numberFile) throws IOException
{
File file = new File(numberFile);
Scanner in = new Scanner(file);

file1 = numberFile;

while(in.hasNext())
{
numbers[i] = in.nextDouble();
i++;
}

count = i;
}

public void setLow()
{
for(i = 0; i<10; i++)
{
if(numbers[i]<low)
low = numbers[i];
}
}

public void setHigh()
{
for(i = 0; i<10; i++)
{
if(numbers[i]>high)
high = numbers[i];
}
}

public void setAverage()
{
for(i = 0; i<10; i++)
{
sum = sum + numbers[i];
}
avg = sum/10;
}

public double getLow()
{
return low;
}

public double getHigh()
{
return high;
}

public double getAverage()
{
return avg;
}

public double getTotal()
{
return sum;
}

public double getValues()
{
return numbers[2];
}

}

public String getUser()
{
for(String contact : user)
{
return (contact);
}
}

public List<String> getUser( ) {
return user;
}