54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
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//: patterns/recycleap/RecycleAP.java
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// <20>2015 MindView LLC: see Copyright.txt
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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<Trash> 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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List<Glass> glassBin = new ArrayList<>();
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List<Paper> paperBin = new ArrayList<>();
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List<Aluminum> alBin = new ArrayList<>();
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// Sort the Trash:
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for(Trash t : bin) {
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// RTTI to discover Trash type:
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if(t instanceof Aluminum)
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alBin.add((Aluminum)t);
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if(t instanceof Paper)
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paperBin.add((Paper)t);
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if(t instanceof Glass)
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glassBin.add((Glass)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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} /* Output: (First and last 10 Lines)
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Loading patterns.trash.Glass
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Loading patterns.trash.Paper
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Loading patterns.trash.Aluminum
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Loading patterns.trash.Cardboard
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weight of patterns.trash.Aluminum = 89.0
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weight of patterns.trash.Aluminum = 76.0
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weight of patterns.trash.Aluminum = 25.0
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weight of patterns.trash.Aluminum = 34.0
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weight of patterns.trash.Aluminum = 27.0
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weight of patterns.trash.Aluminum = 18.0
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________...________...________...________...________
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weight of patterns.trash.Aluminum = 93.0
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weight of patterns.trash.Glass = 93.0
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weight of patterns.trash.Paper = 80.0
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weight of patterns.trash.Glass = 36.0
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weight of patterns.trash.Glass = 12.0
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weight of patterns.trash.Glass = 60.0
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weight of patterns.trash.Paper = 66.0
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weight of patterns.trash.Aluminum = 36.0
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weight of patterns.trash.Cardboard = 22.0
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Total value = 1086.0599818825722
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*///:~
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