set config.json

data/1.Java初阶/13.类和接口/1.类和面向对象/config.json

+{
+  "keywords": [],
+  "children": []
+}
\ No newline at end of file

data/1.Java初阶/13.类和接口/2.抽象类/config.json

+{
+  "keywords": [],
+  "children": []
+}
\ No newline at end of file

data/1.Java初阶/13.类和接口/3.接口/config.json

+{
+  "keywords": [],
+  "children": []
+}
\ No newline at end of file

data/1.Java初阶/13.类和接口/4.匿名类/config.json

+{
+  "keywords": [],
+  "children": []
+}
\ No newline at end of file

data/1.Java初阶/13.类和接口/config.json

+{
+  "keywords": [],
+  "children": []
+}
\ No newline at end of file