13 lines
284 B
Java
13 lines
284 B
Java
// patterns/trashvisitor/Visitor.java
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// ©2016 MindView LLC: see Copyright.txt
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// The base interface for visitors.
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package patterns.trashvisitor;
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interface Visitor {
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void visit(Aluminum a);
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void visit(Paper p);
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void visit(Glass g);
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void visit(Cardboard c);
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void total();
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}
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