纯java写的library的图书管理系统

[{"title":"（ 16 个子文件 18KB ） 纯java写的library的图书管理系统","children":[{"title":"纯java写的library","children":[{"title":"t","children":[{"title":"LibrarySystem.java <span style='color:#111;'> 11.17KB </span>","children":null,"spread":false},{"title":"Recording.class <span style='color:#111;'> 789B </span>","children":null,"spread":false},{"title":"BorrowedItems.class <span style='color:#111;'> 1.27KB </span>","children":null,"spread":false},{"title":"BorrowerDatabase.java <span style='color:#111;'> 1.68KB </span>","children":null,"spread":false},{"title":"Catalog.java <span style='color:#111;'> 1.68KB </span>","children":null,"spread":false},{"title":"LibrarySystem.class <span style='color:#111;'> 8.20KB </span>","children":null,"spread":false},{"title":"CatalogItem.java <span style='color:#111;'> 2.92KB </span>","children":null,"spread":false},{"title":"Recording.java <span style='color:#111;'> 1.74KB </span>","children":null,"spread":false},{"title":"BorrowedItems.java <span style='color:#111;'> 2.07KB </span>","children":null,"spread":false},{"title":"Borrower.class <span style='color:#111;'> 1000B </span>","children":null,"spread":false},{"title":"CatalogItem.class <span style='color:#111;'> 1.21KB </span>","children":null,"spread":false},{"title":"Borrower.java <span style='color:#111;'> 2.28KB </span>","children":null,"spread":false},{"title":"Catalog.class <span style='color:#111;'> 1.13KB </span>","children":null,"spread":false},{"title":"Book.java <span style='color:#111;'> 1.69KB </span>","children":null,"spread":false},{"title":"Book.class <span style='color:#111;'> 821B </span>","children":null,"spread":false},{"title":"BorrowerDatabase.class <span style='color:#111;'> 1.15KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}]