Rotate an image in JAVA

//write one program that will rotate an image 180 degrees in a clockwise direction (or counter clockwise
//direction since both give the same result) and one program that will rotate an image 90 degrees in a
//counter-clockwise direction.








public class Lab10a
{

public static void main (String[] args)
{

System.out.println("bilal abuzenah");

// Access and open the picture
String filename = FileChooser.pickAFile ();
Picture p = new Picture (filename);

// call the method to modify the Pictture
Picture p2;
p2 = modifyPicture (p);

// explore (display) the picture
//p2.explore();
p2.show();
String saveFilename = FileChooser.pickAFile ();
p2.write (saveFilename);
// get a new filename and save the picture
//String saveFilename = FileChooser.pickAFile ();
//p2.write (saveFilename);

} // end of main

public static Picture modifyPicture (Picture p)
{
// get the width and height of the picture
int width = p.getWidth();
int height = p.getHeight();
//System.out.println ("The picture is " + width + " pixels wide and " + height + " pixel high.");

System.out.println ("Width: " + width + ", Height: " + height);

// create the new Picture that will be returned
Picture resultPicture;
resultPicture = new Picture (width, height);

// Set up a loop to access all the X position
int xPos;
int yPos;
int xNew;
int yNew;
Pixel pix;
Pixel pix2;
int red;
int green;
int blue;

for ( xPos = 0 ; xPos < width ; ++xPos )
{
for ( yPos = 0 ; yPos < height ; ++yPos )
{
// access the pixel to be modifed
pix = p.getPixel (xPos, yPos);

xNew = (width - 1) - xPos;
yNew = (height - 1) - yPos;
pix2 = resultPicture.getPixel (xNew, yNew);



// get the colr values from the original pixel
red = pix.getRed();
green = pix.getGreen();
blue = pix.getBlue();

// set those color values into the result pixel
pix2.setRed(red);
pix2.setGreen(green);
pix2.setBlue(blue);

//System.out.println ("The picture is " + xNew + " pixels wide and " + yNew + " pixel high.");


}
}

return resultPicture;
} // end of modifyPicture

} // end of class