Java在智慧校园中的应用
String url = "jdbc:mysql://localhost:3306/school"; String user = "root"; String password = "password"; Connection conn = DriverManager.getConnection(url, user, password); ]]>
public class User { private String username; private String password; public boolean login(String username, String password) { // 这里只是一个示例,实际需要查询数据库验证 return this.username.equals(username) && this.password.equals(password); } } ]]>
Map attendance.put("Alice", 100); // Alice出勤100% System.out.println(attendance.get("Alice")); ]]>
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