graphics designing with java code example

Example 1: Write a simple java swing application that will display rectangle graphics as shown in the picture below:

Font plainFont = new Font("Serif", Font.PLAIN, 12);
Font bigBoldFont = new Font("SansSerif", Font.BOLD, 24);

Example 2: Write a simple java swing application that will display rectangle graphics as shown in the picture below:

public void paintComponent(g) {
   super.paintComponent(g);
   . . . // Draw the content of the component.
}