34 lines
425 B
Java
34 lines
425 B
Java
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package com.iluwatar;
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/**
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*
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* Null Object implementation for binary tree node.
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*
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*/
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public class NullNode implements Node {
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@Override
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public int getTreeSize() {
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return 0;
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}
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@Override
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public Node getLeft() {
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return null;
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}
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@Override
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public Node getRight() {
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return null;
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}
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@Override
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public String getName() {
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return null;
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}
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@Override
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public void walk() {
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}
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}
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