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Java basics

drawRect()


Used to draw a rectangle with the upper left corner at (x,y) and with the specified width and length.

Syntax:
drawRect(int x, int y, int width, int length)


Example:

import java.awt.Graphics;

import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {

  public void paint(Graphics g) {
    g.drawRect (10, 10, 200, 200);  
  }
}

public class DrawRect {
  public static void main(String[] a) {
    JFrame window = new JFrame();
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setBounds(30, 30, 300, 300);
    window.getContentPane().add(new MyCanvas());
    window.setVisible(true);
  }
}


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