drawmessage.java

来自「java课件」· Java 代码 · 共 20 行

JAVA
20
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import javax.swing.*;import java.awt.*;public class DrawMessage extends JPanel {  /** Main method */  public static void main(String[] args) {    JFrame frame = new JFrame("DrawMessage");    frame.getContentPane().add(new DrawMessage());    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    frame.setSize(300, 200);    frame.setVisible(true);  }  /** Paint the message */  protected void paintComponent(Graphics g) {    super.paintComponent(g);    g.drawString("Welcome to Java!", 40, 40);  }}

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