Some improvements (#1073)

* Update avatar's link in the landing page * Bug fixes * Move assets folder from overrides to docs * Reduce figures' corner radius * Update copyright * Update header image * Krahets -> krahets * Update the landing page
2026-03-20 20:06:51 +08:00 · 2024-02-07 22:21:18 +08:00
parent b77abf058a
commit a005c6ebd3
323 changed files with 419 additions and 366 deletions
--- a/codes/java/chapter_array_and_linkedlist/array.java
+++ b/codes/java/chapter_array_and_linkedlist/array.java
@@ -1,7 +1,7 @@
 /**
 * File: array.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_array_and_linkedlist;
--- a/codes/java/chapter_array_and_linkedlist/linked_list.java
+++ b/codes/java/chapter_array_and_linkedlist/linked_list.java
@@ -1,7 +1,7 @@
 /**
 * File: linked_list.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_array_and_linkedlist;
--- a/codes/java/chapter_array_and_linkedlist/list.java
+++ b/codes/java/chapter_array_and_linkedlist/list.java
@@ -1,7 +1,7 @@
 /**
 * File: list.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_array_and_linkedlist;
--- a/codes/java/chapter_array_and_linkedlist/my_list.java
+++ b/codes/java/chapter_array_and_linkedlist/my_list.java
@@ -1,7 +1,7 @@
 /**
 * File: my_list.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_array_and_linkedlist;
--- a/codes/java/chapter_backtracking/n_queens.java
+++ b/codes/java/chapter_backtracking/n_queens.java
@@ -1,7 +1,7 @@
 /**
 * File: n_queens.java
 * Created Time: 2023-05-04
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/permutations_i.java
+++ b/codes/java/chapter_backtracking/permutations_i.java
@@ -1,7 +1,7 @@
 /**
 * File: permutations_i.java
 * Created Time: 2023-04-24
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/permutations_ii.java
+++ b/codes/java/chapter_backtracking/permutations_ii.java
@@ -1,7 +1,7 @@
 /**
 * File: permutations_ii.java
 * Created Time: 2023-04-24
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/preorder_traversal_i_compact.java
+++ b/codes/java/chapter_backtracking/preorder_traversal_i_compact.java
@@ -1,7 +1,7 @@
 /**
 * File: preorder_traversal_i_compact.java
 * Created Time: 2023-04-16
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/preorder_traversal_ii_compact.java
+++ b/codes/java/chapter_backtracking/preorder_traversal_ii_compact.java
@@ -1,7 +1,7 @@
 /**
 * File: preorder_traversal_ii_compact.java
 * Created Time: 2023-04-16
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/preorder_traversal_iii_compact.java
+++ b/codes/java/chapter_backtracking/preorder_traversal_iii_compact.java
@@ -1,7 +1,7 @@
 /**
 * File: preorder_traversal_iii_compact.java
 * Created Time: 2023-04-16
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/preorder_traversal_iii_template.java
+++ b/codes/java/chapter_backtracking/preorder_traversal_iii_template.java
@@ -1,7 +1,7 @@
 /**
 * File: preorder_traversal_iii_template.java
 * Created Time: 2023-04-16
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/subset_sum_i.java
+++ b/codes/java/chapter_backtracking/subset_sum_i.java
@@ -1,7 +1,7 @@
 /**
 * File: subset_sum_i.java
 * Created Time: 2023-06-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/subset_sum_i_naive.java
+++ b/codes/java/chapter_backtracking/subset_sum_i_naive.java
@@ -1,7 +1,7 @@
 /**
 * File: subset_sum_i_naive.java
 * Created Time: 2023-06-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_backtracking/subset_sum_ii.java
+++ b/codes/java/chapter_backtracking/subset_sum_ii.java
@@ -1,7 +1,7 @@
 /**
 * File: subset_sum_ii.java
 * Created Time: 2023-06-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_backtracking;
--- a/codes/java/chapter_computational_complexity/iteration.java
+++ b/codes/java/chapter_computational_complexity/iteration.java
@@ -1,7 +1,7 @@
 /**
 * File: iteration.java
 * Created Time: 2023-08-24
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_computational_complexity;
--- a/codes/java/chapter_computational_complexity/recursion.java
+++ b/codes/java/chapter_computational_complexity/recursion.java
@@ -1,7 +1,7 @@
 /**
 * File: recursion.java
 * Created Time: 2023-08-24
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_computational_complexity;
--- a/codes/java/chapter_computational_complexity/space_complexity.java
+++ b/codes/java/chapter_computational_complexity/space_complexity.java
@@ -1,7 +1,7 @@
 /**
 * File: space_complexity.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_computational_complexity;
--- a/codes/java/chapter_computational_complexity/time_complexity.java
+++ b/codes/java/chapter_computational_complexity/time_complexity.java
@@ -1,7 +1,7 @@
 /**
 * File: time_complexity.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_computational_complexity;
--- a/codes/java/chapter_computational_complexity/worst_best_time_complexity.java
+++ b/codes/java/chapter_computational_complexity/worst_best_time_complexity.java
@@ -1,7 +1,7 @@
 /**
 * File: worst_best_time_complexity.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_computational_complexity;
--- a/codes/java/chapter_divide_and_conquer/build_tree.java
+++ b/codes/java/chapter_divide_and_conquer/build_tree.java
@@ -1,7 +1,7 @@
 /**
 * File: build_tree.java
 * Created Time: 2023-07-17
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_divide_and_conquer;
--- a/codes/java/chapter_divide_and_conquer/hanota.java
+++ b/codes/java/chapter_divide_and_conquer/hanota.java
@@ -1,7 +1,7 @@
 /**
 * File: hanota.java
 * Created Time: 2023-07-17
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_divide_and_conquer;
--- a/codes/java/chapter_dynamic_programming/climbing_stairs_backtrack.java
+++ b/codes/java/chapter_dynamic_programming/climbing_stairs_backtrack.java
@@ -1,7 +1,7 @@
 /**
 * File: climbing_stairs_backtrack.java
 * Created Time: 2023-06-30
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/climbing_stairs_constraint_dp.java
+++ b/codes/java/chapter_dynamic_programming/climbing_stairs_constraint_dp.java
@@ -1,7 +1,7 @@
 /**
 * File: climbing_stairs_constraint_dp.java
 * Created Time: 2023-07-01
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/climbing_stairs_dfs.java
+++ b/codes/java/chapter_dynamic_programming/climbing_stairs_dfs.java
@@ -1,7 +1,7 @@
 /**
 * File: climbing_stairs_dfs.java
 * Created Time: 2023-06-30
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/climbing_stairs_dfs_mem.java
+++ b/codes/java/chapter_dynamic_programming/climbing_stairs_dfs_mem.java
@@ -1,7 +1,7 @@
 /**
 * File: climbing_stairs_dfs_mem.java
 * Created Time: 2023-06-30
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/climbing_stairs_dp.java
+++ b/codes/java/chapter_dynamic_programming/climbing_stairs_dp.java
@@ -1,7 +1,7 @@
 /**
 * File: climbing_stairs_dp.java
 * Created Time: 2023-06-30
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/coin_change.java
+++ b/codes/java/chapter_dynamic_programming/coin_change.java
@@ -1,7 +1,7 @@
 /**
 * File: coin_change.java
 * Created Time: 2023-07-11
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/coin_change_ii.java
+++ b/codes/java/chapter_dynamic_programming/coin_change_ii.java
@@ -1,7 +1,7 @@
 /**
 * File: coin_change_ii.java
 * Created Time: 2023-07-11
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/edit_distance.java
+++ b/codes/java/chapter_dynamic_programming/edit_distance.java
@@ -1,7 +1,7 @@
 /**
 * File: edit_distance.java
 * Created Time: 2023-07-13
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/knapsack.java
+++ b/codes/java/chapter_dynamic_programming/knapsack.java
@@ -1,7 +1,7 @@
 /**
 * File: knapsack.java
 * Created Time: 2023-07-10
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/min_cost_climbing_stairs_dp.java
+++ b/codes/java/chapter_dynamic_programming/min_cost_climbing_stairs_dp.java
@@ -1,7 +1,7 @@
 /**
 * File: min_cost_climbing_stairs_dp.java
 * Created Time: 2023-06-30
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/min_path_sum.java
+++ b/codes/java/chapter_dynamic_programming/min_path_sum.java
@@ -1,7 +1,7 @@
 /**
 * File: min_path_sum.java
 * Created Time: 2023-07-10
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_dynamic_programming/unbounded_knapsack.java
+++ b/codes/java/chapter_dynamic_programming/unbounded_knapsack.java
@@ -1,7 +1,7 @@
 /**
 * File: unbounded_knapsack.java
 * Created Time: 2023-07-11
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_dynamic_programming;
--- a/codes/java/chapter_graph/graph_adjacency_list.java
+++ b/codes/java/chapter_graph/graph_adjacency_list.java
@@ -1,7 +1,7 @@
 /**
 * File: graph_adjacency_list.java
 * Created Time: 2023-01-26
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_graph;
--- a/codes/java/chapter_graph/graph_adjacency_matrix.java
+++ b/codes/java/chapter_graph/graph_adjacency_matrix.java
@@ -1,7 +1,7 @@
 /**
 * File: graph_adjacency_matrix.java
 * Created Time: 2023-01-26
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_graph;
--- a/codes/java/chapter_graph/graph_bfs.java
+++ b/codes/java/chapter_graph/graph_bfs.java
@@ -1,7 +1,7 @@
 /**
 * File: graph_bfs.java
 * Created Time: 2023-02-12
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_graph;
--- a/codes/java/chapter_graph/graph_dfs.java
+++ b/codes/java/chapter_graph/graph_dfs.java
@@ -1,7 +1,7 @@
 /**
 * File: graph_dfs.java
 * Created Time: 2023-02-12
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_graph;
--- a/codes/java/chapter_greedy/coin_change_greedy.java
+++ b/codes/java/chapter_greedy/coin_change_greedy.java
@@ -1,7 +1,7 @@
 /**
 * File: coin_change_greedy.java
 * Created Time: 2023-07-20
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_greedy;
--- a/codes/java/chapter_greedy/fractional_knapsack.java
+++ b/codes/java/chapter_greedy/fractional_knapsack.java
@@ -1,7 +1,7 @@
 /**
 * File: fractional_knapsack.java
 * Created Time: 2023-07-20
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_greedy;
--- a/codes/java/chapter_greedy/max_capacity.java
+++ b/codes/java/chapter_greedy/max_capacity.java
@@ -1,7 +1,7 @@
 /**
 * File: max_capacity.java
 * Created Time: 2023-07-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_greedy;
--- a/codes/java/chapter_greedy/max_product_cutting.java
+++ b/codes/java/chapter_greedy/max_product_cutting.java
@@ -1,7 +1,7 @@
 /**
 * File: max_product_cutting.java
 * Created Time: 2023-07-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_greedy;
--- a/codes/java/chapter_hashing/array_hash_map.java
+++ b/codes/java/chapter_hashing/array_hash_map.java
@@ -1,7 +1,7 @@
 /**
 * File: array_hash_map.java
 * Created Time: 2022-12-04
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_hashing;
--- a/codes/java/chapter_hashing/built_in_hash.java
+++ b/codes/java/chapter_hashing/built_in_hash.java
@@ -1,7 +1,7 @@
 /**
 * File: built_in_hash.java
 * Created Time: 2023-06-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_hashing;
--- a/codes/java/chapter_hashing/hash_map.java
+++ b/codes/java/chapter_hashing/hash_map.java
@@ -1,7 +1,7 @@
 /**
 * File: hash_map.java
 * Created Time: 2022-12-04
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_hashing;
--- a/codes/java/chapter_hashing/hash_map_chaining.java
+++ b/codes/java/chapter_hashing/hash_map_chaining.java
@@ -1,7 +1,7 @@
 /**
 * File: hash_map_chaining.java
 * Created Time: 2023-06-13
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_hashing;
--- a/codes/java/chapter_hashing/hash_map_open_addressing.java
+++ b/codes/java/chapter_hashing/hash_map_open_addressing.java
@@ -1,7 +1,7 @@
 /**
 * File: hash_map_open_addressing.java
 * Created Time: 2023-06-13
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_hashing;
--- a/codes/java/chapter_hashing/simple_hash.java
+++ b/codes/java/chapter_hashing/simple_hash.java
@@ -1,7 +1,7 @@
 /**
 * File: simple_hash.java
 * Created Time: 2023-06-21
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_hashing;
--- a/codes/java/chapter_heap/heap.java
+++ b/codes/java/chapter_heap/heap.java
@@ -1,7 +1,7 @@
 /**
 * File: heap.java
 * Created Time: 2023-01-07
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_heap;
--- a/codes/java/chapter_heap/my_heap.java
+++ b/codes/java/chapter_heap/my_heap.java
@@ -1,7 +1,7 @@
 /**
 * File: my_heap.java
 * Created Time: 2023-01-07
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_heap;
--- a/codes/java/chapter_heap/top_k.java
+++ b/codes/java/chapter_heap/top_k.java
@@ -1,7 +1,7 @@
 /**
 * File: top_k.java
 * Created Time: 2023-06-12
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_heap;
--- a/codes/java/chapter_searching/binary_search.java
+++ b/codes/java/chapter_searching/binary_search.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_search.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_searching;
--- a/codes/java/chapter_searching/binary_search_edge.java
+++ b/codes/java/chapter_searching/binary_search_edge.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_search_edge.java
 * Created Time: 2023-08-04
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_searching;
--- a/codes/java/chapter_searching/binary_search_insertion.java
+++ b/codes/java/chapter_searching/binary_search_insertion.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_search_insertion.java
 * Created Time: 2023-08-04
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_searching;
--- a/codes/java/chapter_searching/hashing_search.java
+++ b/codes/java/chapter_searching/hashing_search.java
@@ -1,7 +1,7 @@
 /**
 * File: hashing_search.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_searching;
--- a/codes/java/chapter_searching/linear_search.java
+++ b/codes/java/chapter_searching/linear_search.java
@@ -1,7 +1,7 @@
 /**
 * File: linear_search.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_searching;
--- a/codes/java/chapter_searching/two_sum.java
+++ b/codes/java/chapter_searching/two_sum.java
@@ -1,7 +1,7 @@
 /**
 * File: two_sum.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_searching;
--- a/codes/java/chapter_sorting/bubble_sort.java
+++ b/codes/java/chapter_sorting/bubble_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: bubble_sort.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/bucket_sort.java
+++ b/codes/java/chapter_sorting/bucket_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: bucket_sort.java
 * Created Time: 2023-03-17
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/counting_sort.java
+++ b/codes/java/chapter_sorting/counting_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: counting_sort.java
 * Created Time: 2023-03-17
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/heap_sort.java
+++ b/codes/java/chapter_sorting/heap_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: heap_sort.java
 * Created Time: 2023-05-26
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/insertion_sort.java
+++ b/codes/java/chapter_sorting/insertion_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: insertion_sort.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/merge_sort.java
+++ b/codes/java/chapter_sorting/merge_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: merge_sort.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/quick_sort.java
+++ b/codes/java/chapter_sorting/quick_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: quick_sort.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/radix_sort.java
+++ b/codes/java/chapter_sorting/radix_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: radix_sort.java
 * Created Time: 2023-01-17
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_sorting/selection_sort.java
+++ b/codes/java/chapter_sorting/selection_sort.java
@@ -1,7 +1,7 @@
 /**
 * File: selection_sort.java
 * Created Time: 2023-05-23
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_sorting;
--- a/codes/java/chapter_stack_and_queue/array_deque.java
+++ b/codes/java/chapter_stack_and_queue/array_deque.java
@@ -1,7 +1,7 @@
 /**
 * File: array_deque.java
 * Created Time: 2023-02-16
- * Author: Krahets (krahets@163.com), FangYuan33 (374072213@qq.com)
+ * Author: krahets (krahets@163.com), FangYuan33 (374072213@qq.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/array_queue.java
+++ b/codes/java/chapter_stack_and_queue/array_queue.java
@@ -1,7 +1,7 @@
 /**
 * File: array_queue.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/array_stack.java
+++ b/codes/java/chapter_stack_and_queue/array_stack.java
@@ -1,7 +1,7 @@
 /**
 * File: array_stack.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/deque.java
+++ b/codes/java/chapter_stack_and_queue/deque.java
@@ -1,7 +1,7 @@
 /**
 * File: deque.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/linkedlist_deque.java
+++ b/codes/java/chapter_stack_and_queue/linkedlist_deque.java
@@ -1,7 +1,7 @@
 /**
 * File: linkedlist_deque.java
 * Created Time: 2023-01-20
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/linkedlist_queue.java
+++ b/codes/java/chapter_stack_and_queue/linkedlist_queue.java
@@ -1,7 +1,7 @@
 /**
 * File: linkedlist_queue.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/linkedlist_stack.java
+++ b/codes/java/chapter_stack_and_queue/linkedlist_stack.java
@@ -1,7 +1,7 @@
 /**
 * File: linkedlist_stack.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/queue.java
+++ b/codes/java/chapter_stack_and_queue/queue.java
@@ -1,7 +1,7 @@
 /**
 * File: queue.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_stack_and_queue/stack.java
+++ b/codes/java/chapter_stack_and_queue/stack.java
@@ -1,7 +1,7 @@
 /**
 * File: stack.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_stack_and_queue;
--- a/codes/java/chapter_tree/array_binary_tree.java
+++ b/codes/java/chapter_tree/array_binary_tree.java
@@ -1,7 +1,7 @@
 /**
 * File: array_binary_tree.java
 * Created Time: 2023-07-19
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_tree;
--- a/codes/java/chapter_tree/avl_tree.java
+++ b/codes/java/chapter_tree/avl_tree.java
@@ -1,7 +1,7 @@
 /**
 * File: avl_tree.java
 * Created Time: 2022-12-10
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_tree;
--- a/codes/java/chapter_tree/binary_search_tree.java
+++ b/codes/java/chapter_tree/binary_search_tree.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_search_tree.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_tree;
--- a/codes/java/chapter_tree/binary_tree.java
+++ b/codes/java/chapter_tree/binary_tree.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_tree.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_tree;
--- a/codes/java/chapter_tree/binary_tree_bfs.java
+++ b/codes/java/chapter_tree/binary_tree_bfs.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_tree_bfs.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_tree;
--- a/codes/java/chapter_tree/binary_tree_dfs.java
+++ b/codes/java/chapter_tree/binary_tree_dfs.java
@@ -1,7 +1,7 @@
 /**
 * File: binary_tree_dfs.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package chapter_tree;
--- a/codes/java/utils/ListNode.java
+++ b/codes/java/utils/ListNode.java
@@ -1,7 +1,7 @@
 /**
 * File: ListNode.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package utils;
--- a/codes/java/utils/PrintUtil.java
+++ b/codes/java/utils/PrintUtil.java
@@ -1,7 +1,7 @@
 /**
 * File: PrintUtil.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package utils;
--- a/codes/java/utils/TreeNode.java
+++ b/codes/java/utils/TreeNode.java
@@ -1,7 +1,7 @@
 /**
 * File: TreeNode.java
 * Created Time: 2022-11-25
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package utils;
--- a/codes/java/utils/Vertex.java
+++ b/codes/java/utils/Vertex.java
@@ -1,7 +1,7 @@
 /**
 * File: Vertex.java
 * Created Time: 2023-02-15
- * Author: Krahets (krahets@163.com)
+ * Author: krahets (krahets@163.com)
 */

 package utils;