Add a picture ¯eld to the Student class and create constructors that take a Picture object as well. Also create accessors and modi¯er methods for the picture ¯eld. Add a show() method which will show the Picture object if it isn't null. See the Student class in bookClassesFinal for this.

Question

What will be an ideal response?

Answer 1

```
/** a p i c t u r e of t h i s s tud ent */
private Pi c tur e p i c t u r e ;
/**
* Method to g e t the p i c t u r e f o r t h i s
* s tud ent
* @return the p i c t u r e (may be n u l l )
*/
public Pi c tur e g e tPi c tur e ( )
f return this . p i c t u r e ; g
/**
* Method to s e t the p i c t u r e f o r t h i s
* s tud ent
* @param t h ePi c t u r e the p i c t u r e to use
*/
public void s e tPi c t u r e ( Pi c tur e thePi c tur e )
{
this . p i c t u r e = thePi c tur e ;
}
/**
* Method to show t h i s s tud ent
* I t w i l l d i s p l a y the p i c t u r e i f t h e r e
* i s one e l s e j u s t p r i n t the s tud ent name
*/
public void show ( )
{
i f ( this . p i c t u r e == nul l )
{
// use t o S t r i n g
System . out . p r i n t l n ( this ) ;
}
el se
{
this . p i c t u r e . show ( ) ;
}
}
```