Fix .equals for Node.
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@ -95,6 +95,9 @@ public class Node implements Comparable<Node> {
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@Override
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@Override
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public boolean equals(Object other) {
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public boolean equals(Object other) {
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if (other == null) {
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return false;
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}
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if (other instanceof Node) {
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if (other instanceof Node) {
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return getId() == ((Node) other).getId();
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return getId() == ((Node) other).getId();
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}
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}
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