Show the output of the following program: import ch06. lists.*; public class Lis

Question

Show the output of the following program:

import ch06. lists.*;

public class ListExer2
{

public static void main(String[ ] args )

{

ListInterface <String> list1
= new RefUnsortedList <String>( ) ;
list1.add( " apple " ) ;
list1.add( " peach" ) ;
list1.add( " orange " ) ;
list1.add( " pear " ) ;
list1.remove ( " peach " ) ;

ListInterface <String> list2
= new RefSortedList <String>( ) ;
list2.add( " appl e " ) ;
list2.add( " peach " ) ;
list2.add( " orange " ) ;
list2.add( " pear " ) ;
list2.remove ( " peach " ) ;

System.out.print ( " Unsorted " ) ;
System.out.println( list1) ;
System.out.print ( " Sorted " ) ;
System.out.println( list2) ;
}
}

Explanation / Answer

make sure that list package available to import

the output will be

unsorted

apple

orange

pear

Sorted

apple

orange

pear

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