Java's I/O streams provide standardized ways to read and write data. Any object representing ... same manner as a local data source, such as a file.

java -jar jxl.jar -write sample.xls Figure 1 shows part of the resulting sample.xls spreadsheet. Figure 1. I used LibreOffice Calc to access the sample.xls spreadsheet The copy demo copies sample ...

While social media websites such Facebook and LinkedIn made it incredibly easy for a user to upload image files, the back-end implementation of such a feature has been anything but easy. Prior to the ...