Question: A Matryoshka, or Russian nesting doll is either solid or hollow. If it is hollow, it contains another doll (which can also be hollow or

A Matryoshka, or Russian nesting doll is either solid or hollow. If it is hollow, it contains another doll (which can also be hollow or solid) Given the supplied Do1 1 class, implement a recursive method named show that returns a String representing the chain for dolls, for example Natasha contains Tanya contains Peter DollViewer.java Doll.java public class DollViewer public static String show(Doll d) V* Your code goes here */ public static void main (String args) 11 12 Doll dolls1 = new Doll("Alina", new Doll("Vera", new Doll("Galina")) ) ; 13 Doll dolls2 = new Doll("Anna", new Doll("Dina") ); 14 Doll dolls3 = new Doll("Nika"); 15 Doll dolls4 = new Doll("Martina", new Doll("Olga", new Doll("Sofia", new Doll("Elvira") ) )); 16 System. out . printIn( show(dolls1) ) 17 System. out . printIn(show(dolls2) 18 System. out . printIn(show(dolls3) 19 System. out . printIn(show(dolls4) ) ; 20

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