复旦大学：《网络虚拟环境与计算机应用》PPT教学课件_lecture0 课程介绍

◆ 客户/服务器模型 ◆ Java编写客户应用程序 ◆ Java编写服务器应用程序

“互联网＋”的本质与进程 互联网+的动力之源 云网端、大数据和分工网络 “互联网＋零售业” 网络零售释放内需潜力 “互联网＋批发业” 产业集群线上转型 “互联网＋制造业” 柔性化生产加速 “互联网＋外贸” 跨境电商崛起 “互联网＋农业” 老树发新芽 “互联网＋金融” 普惠金融梦想成真 “互联网＋物流” 电商物流异军突起

加解密基本原理 数字签名 密钥管理与分发 身份认证技术 信息认证机制

《电子商务 E-business》阅读文献：Riedl-Recommender-Systems

《电子商务 E-business》阅读文献：Intelligent Database Systems Laboratory

To discover file properties, delete and rename files using the File class (§16.2). To understand how I/O is processed in Java (§16.3). To distinguish between text I/O and binary I/O (§16.3). To read and write characters using FileReader and FileWriter (§16.4). To improve the performance of text I/O using BufferedReader and BufferedWriter (§16.4). To write primitive values, strings, and objects as text using PrintWriter and PrintStream(§16.4). To read and write bytes using FileInputStreamand FileOutputStream (§16.6). To read and write primitive values and strings using DataInputStream/DataOutputStream(§16.6). To store and restore objects using ObjectOutputStreamand ObjectInputStream, and to understand how objects are serialized and what kind of objects can be serialized (§16.9 Optional). To use the Serializable interface to enable objects to be serializable (§16.9 Optional). To use RandomAccessFile for both read and write. (§16.10 Optional)

⚫ To know what is exception and what is exception handling (§15.2). ⚫ To distinguish exception types: Error (fatal) vs. Exception (non￾fatal), and checked vs. uncheck exceptions (§15.2). ⚫ To declare exceptions in the method header (§15.3). ⚫ To throw exceptions out of a method (§15.3). ⚫ To write a try-catch block to handle exceptions (§15.3). ⚫ To explain how an exception is propagated (§15.3). ⚫ To rethrow exceptions in a try-catch block (§15.4). ⚫ To use the finally clause in a try-catch block (§15.5). ⚫ To know when to use exceptions (§15.6). ⚫ To declare custom exception classes (§15.7 Optional). ⚫ To apply assertions to help ensure program correctness (§15.8)

⚫ To explain how the Web browser controls and executes applets (§ 14.2). ⚫ To describe the init, start, stop, and destroy methods in the Applet class (§ 14.2). ⚫ To know how to embed applets in Web pages (§ 14.4). ⚫ To run applets from appletviewer and from Web browsers (§ 14.4). ⚫ To pass string values to applets from HTML (§ 14.5). ⚫ To write a Java program that can run as both an application and an applet (§ 14.6). ⚫ To get image files using the URL class and display images in the panel (§ 14.9 Optional). ⚫ To develop a reusable component ImageViewer to display images (§ 14.10 Optional). ⚫ To get audio files and play sound (§ 14.12 Optional). ⚫ To package and deploy Java projects using Java archive files (§ 14.13 Optional). ⚫ To use Swing pluggable look-and-feel (§ 14.14 Optional)

⚫ To create graphical user interfaces with various user-interface components: JButton, JCheckBox, JRadioButton, JLabel, JTextField, JTextArea, JComboBox, JList, JScrollBar, and JSlider (§13.2 – 13.12). ⚫ To create listeners for various types of events (§13.2 – 13.12). ⚫ To use borders to visually group user-interface components (§13.2). ⚫ To create image icons using the ImageIcon class (§13.3). ⚫ To display multiple windows in an application (§13.13). ⚫ To know how to create menu