Java暑假培训机构是指专门为学生们提供Java语言培训的机构,其中包括Java基础语法、面向对象编程、Java集合框架、Java多线程编程、Java网络编程、Java数据库编程、Java Web开发等内容。
Java暑假培训机构是指专门为学生们提供Java语言培训的机构,其中包括Java基础语法、面向对象编程、Java集合框架、Java多线程编程、Java网络编程、Java数据库编程、Java Web开发等内容。
代码如下:
public class JavaSummerTraining {
public static void main(String[] args) {
// Java基础语法
String s = "Hello World";
System.out.println(s);
// 面向对象编程
Person p = new Person();
p.setName("Tom");
System.out.println(p.getName());
// Java集合框架
List
list.add("Java");
list.add("Python");
System.out.println(list);
// Java多线程编程
Thread t1 = new Thread(() -> System.out.println("Thread 1"));
Thread t2 = new Thread(() -> System.out.println("Thread 2"));
t1.start();
t2.start();
// Java网络编程
try {
URL url = new URL("http://www.baidu.com/");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
connection.connect();
int code = connection.getResponseCode();
System.out.println(code);
} catch (Exception e) {
e.printStackTrace();
}
// Java数据库编程
try {
Class.forName("com.mysql.jdbc.Driver");
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "123456");
Statement stmt = conn.createStatement();
String sql = "select * from user";
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
System.out.println(rs.getString("name"));
}
rs.close();
stmt.close();
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
// Java Web开发
try {
ServerSocket serverSocket = new ServerSocket(8080);
Socket socket = serverSocket.accept();
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String line = br.readLine();
System.out.println(line);
OutputStream os = socket.getOutputStream();
PrintWriter pw = new PrintWriter(os);
pw.write("HTTP/1.1 200 OK\n");
pw.write("Content-Type: text/html; cht=utf-8\n");
pw.write("\n");
String html = "
pw.write(html);
pw.flush();
pw.close();
os.close();
br.close();
is.close();
socket.close();
serverSocket.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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