Changes

=== Java Example ===

'''Example 1''' -- This code can be found at [http://www.javacamp.org/designPattern/chains.html www.Javacamp.org]

import java.io.*;

abstract class PurchasePower {

abstract public void processRequest(PurchaseRequest request);

}

class Manager extends PurchasePower {

private final double ALLOWABLE = 10 * base;

successor.processRequest(request);

}

}

}

}

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'''Example 2''' - This code can be found at [http://www.dofactory.com/Patterns/PatternChain.aspx#_self1 www.dofactory.com]

using System;

}

}

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