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// patterns/trash/Trash.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Base class for Trash recycling examples.
package patterns.trash;
public abstract class Trash {
public final double weight;
public Trash(double weight) {
this.weight = weight;
}
public abstract double price();
@Override public String toString() {
return String.format(
"%s weight: %.2f * price: %.2f = %.2f",
getClass().getSimpleName(),
weight, price(), weight * price());
}
// Ignore for now; to be used later:
public abstract void accept(Visitor v);
}