import?java.awt.image.BufferedImage; import?java.awt.Image; import?java.io.*; import?com.sun.image.codec.jpeg.JPEGCodec.*; import?com.sun.image.codec.jpeg.JPEGImageEncoder.*; public?class?ZoomImage?{ public?void?zoom(String?file1,String?file2){ ??????????try{ ???????? ??//讀入圖片文件 ???????? ??File?_file=new?File(file1); ???????? ??Image?src=javax.imageio.ImageIO.read(_file);??//構造Image對象 ???????? ??int?width=src.getWidth(null); ???????? ??int?height=src.getHeight(null); ???????? ?? ???????? ??//圖片縮放 ???????? ??BufferedImage?tag=new?BufferedImage(width/2,height/2,BufferedImage.TYPE_INT_RGB); ???????? ??//縮小后的圖片 ???????? ??tag.getGraphics().drawImage(src,?0,?0,?width/2,?height/2,?null); ???????? ??//寫入圖片 ???????? ??FileOutputStream?out=new?FileOutputStream(file2); ???????? ??//輸出到文件流，進行JPEG編碼 ???????? ??JPEGImageEncoder?encoder??=?JPEGCodec.createJPEGEncoder(out); ???????? ??encoder.encode(tag); ???????? ??out.close(); ??????????}catch(Exception?e){} } public?static?void?main(String[]?args)?{ //?TODO?Auto-generated?method?stub } }下面提示出錯：?JPEGImageEncoder?encoder??=?JPEGCodec.createJPEGEncoder(out);提示內容：Multiple markers at this line - JPEGCodec cannot be resolved - JPEGImageEncoder cannot be resolved to? a type