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correct recursion method calls #233

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8 changes: 4 additions & 4 deletions Java/Ch 04. Trees and Graphs/Introduction/Traversals.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,15 +20,15 @@ public static void inOrderTraversal(TreeNode node) {
public static void preOrderTraversal(TreeNode node) {
if (node != null) {
visit(node);
inOrderTraversal(node.left);
inOrderTraversal(node.right);
preOrderTraversal(node.left);
preOrderTraversal(node.right);
}
}

public static void postOrderTraversal(TreeNode node) {
if (node != null) {
inOrderTraversal(node.left);
inOrderTraversal(node.right);
postOrderTraversal(node.left);
postOrderTraversal(node.right);
visit(node);
}
}
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