Binary in order traversal \u4e00\u822c\u662f\u5927\u591a\u6570\u4eba\u5b66\u4e60\u7684\u7b2c\u4e00\u4e2arecursion\u7b97\u6cd5\uff0c\u975e\u5e38\u7b80\u5355\uff0c3\u884c\u5c31\u80fd\u5199\u5b8c\u3002\u4f46\u8fd9\u5176\u5b9e\u662fcompiler\u5e2e\u6211\u4eec\u5199\u4e86\u5927\u90e8\u5206\u7684code\uff0c\u7ec3\u4e60\u4e0d\u7528recursion\u80fd\u66f4\u597d\u7684\u5e2e\u52a9\u6211\u4eec\u7406\u89e3under the cover\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u5982\u679c\u6ca1\u7ec3\u4e60\u8fc7\uff0c\u5176\u5b9e\u8fd8\u662f\u4e0d\u5bb9\u6613\u60f3\u5230\u548c\u5199\u5bf9\u7684\u3002<\/p>\n\n\n\n
\u4ee3\u7801\u5982\u4e0b<\/p>\n\n\n\n
Java<\/p>\n\n\n\n
import java.util.Stack;\nimport TreeNode;\n\npublic class BstTraversal {\n public static void traversal(TreeNode root) {\n if (root == null) {\n return;\n }\n Stack<TreeNode> stack = new Stack<>();\n pushLeft(root, stack);\n while (!stack.isEmpty()) {\n TreeNode cur = stack.pop();\n System.out.println(cur.val);\n if (cur.right != null) {\n pushLeft(cur.right, stack);\n }\n }\n }\n\n public static void pushLeft(TreeNode node, Stack<TreeNode> stack) {\n TreeNode cur = node;\n while (cur != null) {\n stack.push(cur);\n cur = cur.left;\n }\n }\n\n \/\/ test\n public static void main(String[] args) {\n TreeNode node1 = new TreeNode(1);\n TreeNode node2 = new TreeNode(2);\n TreeNode node3 = new TreeNode(3);\n TreeNode node4 = new TreeNode(4);\n TreeNode node5 = new TreeNode(5);\n TreeNode node6 = new TreeNode(6);\n\n node1.left = node2;\n node1.right = node3;\n node2.left = node4;\n node2.right = node5;\n node3.left = node6;\n\n traversal(node1);\n }\n}<\/code><\/pre>\n\n\n\n\u5176\u4e2dTreeNode class\u5982\u4e0b<\/p>\n\n\n\n
public class TreeNode {\n public int val;\n public TreeNode left;\n public TreeNode right;\n\n public TreeNode(int val) {\n this.val = val;\n left = null;\n right = null;\n }\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"Binary in order traversal \u4e00\u822c\u662f\u5927\u591a\u6570\u4eba\u5b66\u4e60\u7684\u7b2c\u4e00\u4e2arecursion\u7b97\u6cd5\uff0c\u975e\u5e38\u7b80\u5355\uff0c3\u884c\u5c31\u80fd\u5199\u5b8c\u3002\u4f46\u8fd9\u5176\u5b9e\u662fcompiler\u5e2e\u6211\u4eec\u5199\u4e86\u5927\u90e8\u5206\u7684code\uff0c\u7ec3\u4e60\u4e0d\u7528recursion\u80fd\u66f4\u597d\u7684\u5e2e\u52a9\u6211\u4eec\u7406\u89e3under the cover\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u5982\u679c\u6ca1\u7ec3\u4e60\u8fc7\uff0c\u5176\u5b9e\u8fd8\u662f\u4e0d\u5bb9\u6613\u60f3\u5230\u548c\u5199\u5bf9\u7684\u3002 \u4ee3\u7801\u5982\u4e0b Java \u5176\u4e2dTreeNode class\u5982\u4e0b<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[1],"tags":[],"yoast_head":"\n
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