Java 소프트웨어의 유형 및 특성 이해: 다양한 유형의 Java 소프트웨어 및 해당 특성을 이해합니다.

import javax.swing.*; public class HelloWorldGUI { public static void main(String[] args) { JFrame frame = new JFrame("HelloWorld"); JLabel label = new JLabel("Hello, World!"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(label); frame.pack(); frame.setVisible(true); } }

import java.util.Scanner; public class HelloWorldConsole { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println("请输入您的姓名："); String name = scanner.nextLine(); System.out.println("Hello, " + name + "!"); } }

import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class HelloWorldAndroid extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); TextView textView = new TextView(this); textView.setText("Hello, World!"); setContentView(textView); } }

import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; @RestController @SpringBootApplication public class HelloWorldWeb { public static void main(String[] args) { SpringApplication.run(HelloWorldWeb.class, args); } @GetMapping("/") public String helloWorld() { return "Hello, World!"; } }

import java.rmi.Remote; import java.rmi.RemoteException; public interface HelloWorld extends Remote { String sayHello() throws RemoteException; } public class HelloWorldServer { public static void main(String[] args) { try { HelloWorld helloWorld = new HelloWorldImpl(); Registry registry = LocateRegistry.createRegistry(1099); registry.rebind("HelloWorld", helloWorld); System.out.println("Server is running..."); } catch (Exception e) { e.printStackTrace(); } } } public class HelloWorldClient { public static void main(String[] args) { try { Registry registry = LocateRegistry.getRegistry("localhost", 1099); HelloWorld helloWorld = (HelloWorld) registry.lookup("HelloWorld"); System.out.println(helloWorld.sayHello()); } catch (Exception e) { e.printStackTrace(); } } }

import io.silverspoon.bulldog.core.io.I2C; import io.silverspoon.bulldog.core.platform.Board; import io.silverspoon.bulldog.core.platform.Platform; import io.silverspoon.bulldog.core.platform.Raspi; public class HelloWorldEmbedded { public static void main(String[] args) { Board board = Platform.createBoard(); I2C i2c = board.getI2cBus("I2C-1").get(); // 控制设备进行操作 // ... } }