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An element is either a list or an atom. Each list has an operator and contains elements which are also elements. A list has a size and their elements can be accessed by their position. An atom carries textual data, has no operator and no size in the previous sense.
Method Summary | |
Element |
copy()
Returns an identical object (maybe "this"). |
boolean |
equals(Object object)
Is this object equal to the given one? |
Atom |
getAtom()
Return this element as an Atom . |
ElementList |
getList()
Return this element as a Atom. |
int |
hashCode()
Calculates the hash code. |
boolean |
isAtom()
Is this an atom? |
boolean |
isList()
Is this an ElementList ? |
Element |
replace(Element search,
Element replacement)
Creates and returns a copy of this object, but replaces anything that equals(java.lang.Object) argument
with a copy() of replacement . |
String |
toString()
Get show this in String form. |
Method Detail |
public boolean isAtom()
true
if this is an instance of Atom
.public Atom getAtom()
Atom
.
Atom
.
ClassCastException
- This is no instance of Atom
.public boolean isList()
ElementList
?
true
if this is an instance of ElementList
.public ElementList getList()
Atom
.
ClassCastException
- This is no instance of Atom
.public boolean equals(Object object)
object
- to compare with
object
equal to this one?public int hashCode()
public Element copy()
public Element replace(Element search, Element replacement)
equals(java.lang.Object)
argument
with a copy()
of replacement
.
search
- Check for occurrence of this.replacement
- Replace with this.
public String toString()
String
form.
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Hilbert II - Version 0.03.04 | ||||||||||
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©left GNU General Public Licence All Rights Reserved. |