34 lines
898 B
Java
34 lines
898 B
Java
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//: patterns/recycleap/RecycleAP.java
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// Recycling with RTTI and Prototypes.
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package patterns.recycleap;
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import patterns.trash.*;
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import java.util.*;
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public class RecycleAP {
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public static void main(String[] args) {
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ArrayList bin = new ArrayList();
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// Fill up the Trash bin:
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ParseTrash.fillBin("Trash.dat", bin);
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ArrayList
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glassBin = new ArrayList(),
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paperBin = new ArrayList(),
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alBin = new ArrayList();
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Iterator sorter = bin.iterator();
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// Sort the Trash:
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while(sorter.hasNext()) {
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Object t = sorter.next();
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// RTTI to show class membership:
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if(t instanceof Aluminum)
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alBin.add(t);
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if(t instanceof Paper)
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paperBin.add(t);
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if(t instanceof Glass)
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glassBin.add(t);
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}
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Trash.sumValue(alBin);
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Trash.sumValue(paperBin);
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Trash.sumValue(glassBin);
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Trash.sumValue(bin);
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}
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} ///:~
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