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7
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1 public class Main {
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2 public static void main(String[] args) {
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3 Composite england = new Composite("England");
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4 Leaf york = new Leaf("York");
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5 Leaf london = new Leaf("London");
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6 england.addComponent(york);
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7 england.addComponent(london);
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8 england.removeComponent(york);
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9
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10 Composite france = new Composite("France");
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11 france.addComponent(new Leaf("Paris"));
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12
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13 Composite europe = new Composite("Europe");
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14 europe.addComponent(england);
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15 europe.addComponent(france);
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16
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17 System.out.println(europe.toString());
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18 }
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19 }
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