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## weka.core
Interface Matchable

All Known Implementing Classes:
  J48, J48graft

    public interface Matchable

Interface to something that can be matched with tree matching algorithms.

Version:
  $Revision: 1.6 $
Author:
  Len Trigg (trigg@cs.waikato.ac.nz)

Method Summary
`java.lang.String` | `prefix()` Returns a string that describes a tree representing the object in prefix order.

Method Detail

### prefix

    java.lang.String prefix()
                            throws java.lang.Exception

  Returns a string that describes a tree representing the object in prefix order.

  Returns:
    the tree described as a string
  Throws:
    `java.lang.Exception` - if the tree can't be computed

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