Repositories list

• SpringBoot-Learning

  Public
  《Spring Boot基础教程》，2.x版本持续连载中！点击下方链接直达教程目录！

  Java

  •4.9k•1•0•0•Updated Sep 12, 2023Sep 12, 2023

• java_word_search_v2

  Public
  https://useful-journey-3db.notion.site/212-Word-Search-II-91ec187311f8446cba8cf635ead8520d

  leetcodetrie

  Java

  •0•0•0•0•Updated Sep 15, 2022Sep 15, 2022

• java_word_search_data_structure

  Public
  https://useful-journey-3db.notion.site/211-Design-Add-and-Search-Words-Data-Structure-16c61e8900b54232b8d8e913fc119c75

  leetcodetrie

  Java

  •0•0•0•0•Updated Sep 15, 2022Sep 15, 2022

• java_implement_trie

  Public
  https://useful-journey-3db.notion.site/208-Implement-Trie-Prefix-Tree-851c92367add4468964158ae77f43897

  leetcodetrie

  Java

  •0•0•0•0•Updated Sep 15, 2022Sep 15, 2022

• java_serialize_deserialize_binary_tree

  Public
  https://useful-journey-3db.notion.site/297-Serialize-and-Deserialize-Binary-Tree-594bf4dd2f6e4b529a669f1d48251357

  treeleetcodedfs

  Java

  •0•0•0•0•Updated Sep 14, 2022Sep 14, 2022

• java_binary_tree_maximum_path_sum

  Public
  https://useful-journey-3db.notion.site/124-Binary-Tree-Maximum-Path-Sum-c1447d50fed74c8e8a7e7eabce736dd2

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 14, 2022Sep 14, 2022

• java_build_binary_tree_from_preorder_inorder

  Public
  https://useful-journey-3db.notion.site/105-Construct-Binary-Tree-from-Pre-order-and-In-order-Traversal-571d0ede820745afa8ae932b9835948d

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 13, 2022Sep 13, 2022

• java_binary_tree_level_order_traversal

  Public
  https://useful-journey-3db.notion.site/102-Binary-Tree-Level-Order-Traversal-b69e31bd3ee84277b87e0a02660f5ed6

  treeleetcodebreadth-first-search

  Java

  •0•0•0•0•Updated Sep 13, 2022Sep 13, 2022

• java_valid_BST

  Public
  https://useful-journey-3db.notion.site/98-Validate-Binary-Search-Tree-6e3ee1dae41e4b8a87eeff3dd5680091

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 12, 2022Sep 12, 2022

• java_find_kth_smallest_element_in_BST

  Public
  https://useful-journey-3db.notion.site/230-Kth-Smallest-Element-in-a-BST-1f4640b2bf7640b5b153a45c83cb6578

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 12, 2022Sep 12, 2022

• java_lca_of_binary_search_tree

  Public
  https://useful-journey-3db.notion.site/235-Lowest-Common-Ancestor-of-a-Binary-Search-Tree-b0df1108839c4d22bc4dbd15996a3f33

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 12, 2022Sep 12, 2022

• java_max_tree_depth

  Public
  https://useful-journey-3db.notion.site/104-Maximum-Depth-of-Binary-Tree-8d8ab2e40ee0415891b5cc8a733b9982

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 12, 2022Sep 12, 2022

• java_invert_binary_tree

  Public
  https://useful-journey-3db.notion.site/226-Invert-Binary-Tree-9ca55ee11dc6429ab82b8507343d639c

  treeleetcode

  Java

  •0•0•0•0•Updated Sep 11, 2022Sep 11, 2022

• java_subtree_of_another_tree

  Public
  https://useful-journey-3db.notion.site/572-Subtree-of-Another-Tree-ab64aa34646047f08622d10067b66c67

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 11, 2022Sep 11, 2022

• java_same_tree

  Public
  https://useful-journey-3db.notion.site/100-Same-Tree-7d0eef3ae1324d0899e2265658b5e337

  treeleetcoderecursion

  Java

  •0•0•0•0•Updated Sep 11, 2022Sep 11, 2022

• java_group_anagrams

  Public
  https://useful-journey-3db.notion.site/49-Group-Anagrams-220a11fbb0444977ab48b061950995a3

  leetcodearrayhashtable

  Java

  •0•0•0•0•Updated Aug 29, 2022Aug 29, 2022

• java_generate_parentheses

  Public
  https://useful-journey-3db.notion.site/22-Generate-Parentheses-281fc3a4cda5478399c4469e14be4880

  stackleetcodebacktracking

  Java

  •0•0•0•0•Updated Aug 28, 2022Aug 28, 2022

• java_min_stack

  Public
  https://useful-journey-3db.notion.site/155-Min-Stack-53ee2a1222b646c7af7957a7268cfa3f

  Java

  •0•0•0•0•Updated Aug 27, 2022Aug 27, 2022

• java_valid_parentheses

  Public
  https://useful-journey-3db.notion.site/20-Valid-Parentheses-6a2ffc98f05b4427abf0063189990bcc

  stackleetcode

  Java

  •0•0•0•0•Updated Aug 27, 2022Aug 27, 2022

• java_sliding_window_maximum

  Public
  https://useful-journey-3db.notion.site/239-Sliding-Window-Maximum-6378a7fc56c941cbbc9b2325fc0ad08e

  leetcodesliding-window

  Java

  •0•0•0•0•Updated Aug 26, 2022Aug 26, 2022

• java_minimum_window_substring

  Public
  https://useful-journey-3db.notion.site/76-Minimum-Window-Substring-ba1aed19857b43bbb4ad485ea66e427e

  leetcodeslide-window

  Java

  •0•0•0•0•Updated Aug 24, 2022Aug 24, 2022

• java_permutation_in_string

  Public
  https://useful-journey-3db.notion.site/567-Permutation-in-String-e5dff1f7c26343cebd5a3e3a6d1fdcf9

  leetcodeslide-window

  Java

  •0•0•0•0•Updated Aug 23, 2022Aug 23, 2022

• java_longest_repeating_character_replacement

  Public
  https://useful-journey-3db.notion.site/424-Longest-Repeating-Character-Replacement-168dc32ddefb499cb338c694239db76b

  leetcodeslide-window

  Java

  •0•0•0•0•Updated Aug 23, 2022Aug 23, 2022

• java_longest_substring_without_repeating_charaters

  Public
  https://useful-journey-3db.notion.site/3-Longest-Substring-Without-Repeating-Characters-ed6260999b91497abaa50615aeb0d0ff

  leetcodetwo-pointer

  Java

  •0•0•0•0•Updated Aug 21, 2022Aug 21, 2022

• java_best_time_to_buy_and_sell_stock

  Public
  https://useful-journey-3db.notion.site/121-Best-Time-to-Buy-and-Sell-Stock-878534917911404d809e927cd243bc94

  leetcodeslide-window

  Java

  •0•0•0•0•Updated Aug 19, 2022Aug 19, 2022

• java_trapping_rain_water

  Public
  https://useful-journey-3db.notion.site/42-Trapping-Rain-Water-88f1c35af15f4fb69018007fd928a27e

  leetcodetwo-pointer

  Java

  •0•0•0•0•Updated Aug 18, 2022Aug 18, 2022

• java_container_with_most_water

  Public
  https://useful-journey-3db.notion.site/11-Container-With-Most-Water-bdbbca84776747dcb0b83fff4bd6b75f

  leetcodetwo-pointer

  Java

  •0•0•0•0•Updated Aug 17, 2022Aug 17, 2022

• java_three_sum

  Public
  https://useful-journey-3db.notion.site/15-3Sum-734cfbd391e443bc8e8767a5b978e349

  leetcodetwo-pointer

  Java

  •0•0•0•0•Updated Aug 17, 2022Aug 17, 2022

• java_target_sum_input_array_sorted

  Public
  https://useful-journey-3db.notion.site/167-Two-Sum-II-Input-Array-Is-Sorted-3970aa7e683545f1a50c6efc2274855e

  leetcodetwo-pointer

  Java

  •0•0•0•0•Updated Aug 16, 2022Aug 16, 2022

• java_valid_palindrome

  Public
  https://useful-journey-3db.notion.site/125-Valid-Palindrome-55e3fbb978a743f39b54f40b046520af

  leetcodetwo-pointer

  Java

  •0•0•0•0•Updated Aug 15, 2022Aug 15, 2022