import java.util.*;
import java.lang.*;
import java.io.*;
//===================================================
/**
   The FeetInches class holds distances measured in
   feet and inches.
*/

class FeetInches
{
//    private int feet;      // The number of feet
//    private int inches;    // The number of inches
    private int allInches;

   //------------------------------------------------
   /**
      This constructor assigns 0 to the feet
      and inches fields.
   */
   public FeetInches()
   {
       this.allInches = 0;
   }

   //------------------------------------------------
   /**
      This constructor accepts two arguments which
      are assigned to the feet and inches fields.
      The simplify method is then called.
      @param f The value to assign to feet.
      @param i The value to assign to inches.
   */
   //------------------------------------------------
   public FeetInches(int f, int i)
   {
       this.allInches = f * 12 + i;
      simplify();
   }

   //------------------------------------------------
   /**
      The following is a copy constructor. It accepts a
      reference to another FeetInches object. The feet
      and inches fields are set to the same values as
      those in the argument object.
      @param object2 The object to copy.
   */

   public FeetInches(FeetInches object2)
   {
      return FeetInches(object2.getFeet(), object2.getInches());
   }

   //------------------------------------------------
   /**
      The simplify method adjusts the values
      in feet and inches to conform to a
      standard measurement.
   */

   private void simplify()
   {
       // We dont need to do this at all anymore
   }

   //------------------------------------------------
   /**
      The setFeet method assigns a value to
      the feet field.
      @param f The value to assign to feet.
   */

   public void setFeet(int f)
   {
       this.allInches = f * 12 + this.getInches();
   }

   //------------------------------------------------
   /**
      The setInches method assigns a value to
      the inches field.
      @param i The value to assign to inches.
   */

   public void setInches(int i)
   {
       this.allInches = this.getFeet() * 12 + i;
   }

   //------------------------------------------------
   /**
      getFeet method
      @return The value in the feet field.
   */

   public int getFeet()
   {
       int feet = Math.floor(allInches / 12);
   }

   //------------------------------------------------
   /**
      getInches method
      @return The value in the inches field.
   */

   public int getInches()
   {
       int inches = Math.remainder(allInches / 12);
   }

   //------------------------------------------------
   /**
      toString method
      @return a reference to a String stating
      the feet and inches.
   */

   public String toString()
   {
      return this.getFeet() + " feet " +
                   this.getInches() + " inches";
   }

   //------------------------------------------------
   /**
      The add method returns a FeetInches object
      that holds the sum of this object and another
      FeetInches object.
      @param object2 The other FeetInches object.
      @return A reference to a FeetInches object.
   */

   public FeetInches add(FeetInches object2)
   {
      int totalFeet,    // To hold the sum of feet
          totalInches;  // To hold the sum of inches

      totalFeet = this.getFeet() + object2.getFeet();
      totalInches = this.getInches() + object2.getInches();
      return new FeetInches(totalFeet, totalInches);
   }

   //------------------------------------------------
   /**
      The equals method compares this object to the
      argument object. If both have the same values,
      the method returns true.
      @return true if the objects are equal, false
      otherwise.
   */

   public boolean equals(FeetInches object2)
   {
      if (this.getFeet() == object2.getFeet() &&
               this.getInches() == object2.getInches())
            return true;

    return false;
   }

   //------------------------------------------------
   /**
      The copy method makes a copy of the
      the calling object.
      @return A reference to the copy.
   */

   public FeetInches copy()
   {
      // Make a new FeetInches object and
      // initialize it with the same data
      // as the calling object.

      // Return a reference to the new object.
      return new FeetInches(this.getFeet(), this.getInches());
   }
}

//====================================================================
/* Name of the class has to be "Main" only if the class is public. */
public class FeetInchesTest
{
    public static void main (String[] args) throws java.lang.Exception
    {
        FeetInches f = new FeetInches(5, 9);
        System.out.println(f);
    }
}
FeetInchesTest.txt
Displaying FeetInchesTest.txt.