PPT Slide

public void setHeight (int iNewHeight) {

util.ASSERT (iNewHeight > 0, “iNewHeight <= 0”);

iHeight = iNewHeight;

} // of setHeight

public int getWidth ( ) {

return (iWidth);

} // of getWidth

public int getHeight ( ) {

return (iHeight);

} // of getHeight

public int getVolume ( ) {

return ( getLength( ) *

getWidth( ) * getHeight( ) );

} // of getVolume

} // of class Box

How to model a box? (Java example cont’d)

Evolution of an Object (cont’d)