ruthFile = FileChooser.pickAFile() ; booFile = FileChooser.pickAFile() ; Picture ruthPict = new Picture(ruthFile) ; Picture booPict = new Picture(booFile) ; ruthPict.show() ; ruthPict.hide() ; booPict.show() ; booPict.show() ; Picture ruthPict2 = new Picture(ruthPict) ; ruthPict2.show() ; ruthPict2.hide() ; ruthPict2.getPixel(100, 100) ; Pixel p100_100 = ruthPict2.getPixel(100,100) ; p100_100 ruthPict2.getPixel(100, 100) for (int i=100; i<200; ++i) { for (int j=100; j<200; ++j) { Pixel p = ruthPict2.getPixel(i, j) ; p.setBlue(0) ; } } ruthPict2.show() ; Picture booPict2 = new Picture(booPict) ; booPict.hide() ; ruthPict.hide() ; for (int i=0; i