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appletviewer not display ,no compile andr run time error. appletviewer not working?
import java.awt.*; import javax.swing.*; public class DrawATriangle extends JPanel { public void paintComponent(Graphics g) { int [] x = {50,100,0}; int [] y = {0,100,100}; g.drawPolygon(x, y, 3); } public static void main(String[] args) { JFrame.setDefaultLookAndFeelDecorated(true); JFrame frame = new JFrame("Draw a Polygon"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBackground(Color.white); frame.setSize(300, 200); DrawATriangle panel = new DrawATriangle(); frame.add(panel); frame.setVisible(true); } }
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