// ***************** PairTest class ***************

public class PairTest
{

   public static void main(String[] args)
   {
      Pair couple = new Pair(3, 5);
      couple.setNum1(7);
      System.out.println(couple.computeMax());
      System.out.println(couple.computeAverage());
      System.out.println(couple.toString());
   }

}

// ***************** Pair class ********************

class Pair
{
    // ********************************* constructors

    // default constructor
    public Pair()
    {
        this(0, 0);
    }
    
    // "other" constructor
    public Pair(int num1, int num2)
    {   
        myNum1 = num1;
        myNum2 = num2;
    }
    
    // ********************************* accessor method
    public double getNum1()
    {
        return myNum1;
    }
    
    public double getNum2()
    {
        return myNum2;
    }   
    // ********************************* modifier methods
    public void setNum1(int num)
    {
        myNum1 = num;
    }

    public void setNum2(int num)
    {
        myNum2 = num;
    }
       
    // ********************************* "interesting" methods
    public int computeMax()
    {

        if (myNum1 > myNum2)
        {
             return myNum1;
        }
        
        return myNum2; // myNum2 is returned if myNum1 = myNum2
    }
    
    public double computeAverage()
    {
	return (myNum1 + myNum2) / 2.0;  // avoid integer division
    }

    public String toString()
    {
        return myNum1 + " " + myNum2;
    }
    
    // ********************************* instance variables (properties)
    private int myNum1;
    private int myNum2;
}