javaweb输出helloworld
时间: 2023-04-13 13:02:05 浏览: 82
在 Java Web 应用程序中,通常使用 Servlet 来实现输出 "Hello World"。以下是一个简单的 Servlet 示例:
```
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet("/HelloWorld")
public class HelloWorld extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.getWriter().append("Hello World");
}
}
```
该 Servlet 在浏览器中访问 `http://localhost:8080/HelloWorld` 时将输出 "Hello World"。