ssd3的一切的exercise答案和exam答案保证正确

[{"title":"（21个子文件89KB）ssd3的所有的exercise答案和exam答案保证正确","children":[{"title":"ssd3","children":[{"title":"exercise9","children":null,"spread":false},{"title":"exercise4","children":null,"spread":false},{"title":"exercise7","children":[{"title":"CatalogGUI.java <span style='color:#111;'>5.17KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise1","children":[{"title":"ShoppingCartApplication.java <span style='color:#111;'>3.21KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise6","children":[{"title":"GourmetCoffee.java <span style='color:#111;'>5.64KB</span>","children":null,"spread":false},{"title":"FileCatalogLoader.java <span style='color:#111;'>5.42KB</span>","children":null,"spread":false}],"spread":true},{"title":"exam3","children":[{"title":"StockDatabaseGUI.java <span style='color:#111;'>8.67KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise2","children":[{"title":"uml-gou-cof.jpg <span style='color:#111;'>89.38KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise5","children":[{"title":"PlainTextSalesFormatter.java <span style='color:#111;'>1.85KB</span>","children":null,"spread":false},{"title":"GourmetCoffee.java <span style='color:#111;'>7.33KB</span>","children":null,"spread":false},{"title":"HTMLSalesFormatter.java <span style='color:#111;'>2.00KB</span>","children":null,"spread":false},{"title":"SalesFormatter.java <span style='color:#111;'>410B</span>","children":null,"spread":false},{"title":"Thumbs.db <span style='color:#111;'>4.50KB</span>","children":null,"spread":false},{"title":"XMLSalesFormatter.java <span style='color:#111;'>1.78KB</span>","children":null,"spread":false}],"spread":true},{"title":"exam2","children":[{"title":"MediaFile.java <span style='color:#111;'>549B</span>","children":null,"spread":false},{"title":"AudioDatabase.java <span style='color:#111;'>2.76KB</span>","children":null,"spread":false},{"title":"File.java <span style='color:#111;'>317B</span>","children":null,"spread":false},{"title":"AudioFile.java <span style='color:#111;'>2.19KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise3","children":[{"title":"OrderItem.java <span style='color:#111;'>1.86KB</span>","children":null,"spread":false},{"title":"Coffee.java <span style='color:#111;'>3.27KB</span>","children":null,"spread":false},{"title":"Product.java <span style='color:#111;'>2.18KB</span>","children":null,"spread":false},{"title":"CoffeeBrewer.java <span style='color:#111;'>2.36KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise8","children":[{"title":"GourmetCoffeeGUI.java <span style='color:#111;'>15.65KB</span>","children":null,"spread":false}],"spread":true},{"title":"exercise10","children":null,"spread":false},{"title":"exam1","children":null,"spread":false}],"spread":false}],"spread":true}]