A good answer might be:

How many Point objects are created by this program?    1 --- the object referenced by pt
How many temporary String objects are created by this program?    2 --- one temporary String object for each println()

One Object, with Changing Data

The program changes the data inside a Point object using that object's move() method: 
import java.awt.*;
class changingData1
{
  public static void main ( String arg[] )
  {
    Point pt = new Point( 12, 45 );                  // construct a Point
    System.out.println( "First values: " + pt );     

    pt.move( -13, 49 ) ;                             // change the x and y in the Point
    System.out.println( "Final values: " + pt ); 
  }
}

Here is a picture of this:

QUESTION 13:

Can a constructor be used to change the data inside an object?

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