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Class simula.simset.Linkage 

java.lang.Object
   |
   +----simula.simset.Linkage
public abstract class Linkage
extends Object
The Linkage class is the abstract parent of any element of a double-linked list. It doesn't implement any content.

See Also:
Head, Link

Variable Index

o pred
Predecessor in the list.
o suc
Successor in the list.

Constructor Index

o Linkage()
Initialize this element with neither previous nor next element.

Method Index

o pred()
Returns the predecessor in the list.
o pred(Linkage)
Sets the predecessor.
o suc()
Returns the successor in the list.
o suc(Linkage)
Sets the successor.

Variables

o pred 
 protected Linkage pred
Predecessor in the list.

o suc 
 protected Linkage suc
Successor in the list.

Constructors

o Linkage 
 public Linkage()
Initialize this element with neither previous nor next element.

Methods

o pred 
 public Linkage pred()
Returns the predecessor in the list. Null if absent.

Returns:
the predecessor in the list. Null if absent.
o pred 
 protected void pred(Linkage _elem)
Sets the predecessor.

Parameters:
_elem - new predecessor to be set.
o suc 
 public Linkage suc()
Returns the successor in the list. Null if absent.

Returns:
the successor in the list. Null if absent.
o suc 
 protected void suc(Linkage _elem)
Sets the successor.

Parameters:
_elem - new successor to be set. 
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