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7
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1 class Leaf implements IComponent {
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2 private String id;
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3
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4 public Leaf(String id) {
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5 this.id = id;
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6 }
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7
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8 public String toString() {
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9 return this.id;
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10 }
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11
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12 public Collection getChildren() {
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13 return null;
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14 }
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15
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16 // false because failed to add
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17 public boolean addComponent(IComponent c) {
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18 return false;
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19 }
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20
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21 // false because failed to find it for removal
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22 public boolean removeComponent(IComponent c) {
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23 return false;
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24 }
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25 }
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