//in Picture.java

public Picture copyRegionToNew(int xSource, int ySource, int xTarget, int yTarget )

{

Picture newCanvas = new Picture();

Pixel sPixel, tPixel = null;

for (int sX = xSource, tX = xTarget; sX < 100+xSource; sX++, tX++)

{

for (int sY = ySource, tY = yTarget; sY < 100+ySource; sY++, tY++)

{

sPixel = this.getPixel(sX,sY);

tPixel = newCanvas.getPixel(tX,tY);

tPixel.setColor(sPixel.getColor());

}

}

return newCanvas;

}

//in main

Picture fish = new Picture( "fish.jpg" );

fish.copyRegionToNew(10, 30, 50, 50);

newCanvas.show();

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Describe what this code will do. Describe why.

please, help me! Thanks in advance! (JAVA PROGRAMMING)