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Class magician.Four11.List

java.lang.Object
   |
   +----magician.Four11.List

public class List

extends Object

List()

initializes a null list

List(Object, List)

prepends a list with a new element (the "cons" operation in Lisp).

car()

returns the first element of the list (the "car" in Lisp)

cdr()

returns a pointer to the rest of the list (the "cdr" in Lisp)

setCar(Object)

sets the "car" of the list

setCdr(List)

sets the "cdr" of the list

 public List()

initializes a null list

 public List(Object data,
             List next)

prepends a list with a new element (the "cons" operation in Lisp). Can be used to create a new list by setting next to null.

Parameters:

data - the element

next - the tail of the list, a pointer to the rest of the list

 public Object car()

returns the first element of the list (the "car" in Lisp)

Returns:

element at the head

 public List cdr()

returns a pointer to the rest of the list (the "cdr" in Lisp)

Returns:

List object representing the tail

 public void setCar(Object data)

sets the "car" of the list

Parameters:

data - element to set as car

 public List setCdr(List cdr)

sets the "cdr" of the list

Parameters:

cdr - List object to be set as cdr

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