22 lines
595 B
Java
22 lines
595 B
Java
// patterns/trash/TrashValue.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Sums the value of Trash in a bin.
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package patterns.trash;
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import java.util.*;
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public class TrashValue {
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private static double total;
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public static void
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sum(List<? extends Trash> bin, String type) {
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total = 0.0;
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bin.forEach( t -> {
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System.out.println(t);
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total += t.weight * t.price();
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});
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System.out.printf(
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"Total %s value = %.2f%n", type, total);
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}
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}
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