13 Mars

DEV2.1/TP4:Heritage/Grisaille.java

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+import javax.swing.*;
+import java.awt.*;
+
+public class Grisaille extends Color{
+
+	public Grisaille(int val){
+		super(val, val, val);
+	}
+
+	public static void main(String[] args) {
+		if (args.length <= 0){
+			System.err.println("args missing");
+			System.exit(1);
+		} Integer arg = Integer.parseInt(args[0], 10);
+		JFrame fenetre = new JFrame();
+		fenetre.setSize(400, 200);
+    	fenetre.setLocation(0, 0);
+    	fenetre.setVisible(true);
+    	JPanel panel = new JPanel();
+    	panel.setBackground(new Grisaille(arg));
+    	fenetre.add(panel);
+    	fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+	}
+}