minijlisp.util
Class Symbol
java.lang.Object
|
+--minijlisp.util.Symbol
- public final class Symbol
- extends java.lang.Object
Only one instance of a specific symbol can be live at any
moment.
Because only a single Symbol class may be shared by multiple
threads, the implementation uses a weak synchronized hash map. This
prevents race conditions and symbols from taking up memory
unnecessarily.
Field Summary |
java.lang.String |
name
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
name
public final java.lang.String name
create
public static Symbol create(java.lang.String name)
createUnique
public static Symbol createUnique()
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object