![]() ![]() A strong contrast between several near located pixels provokes the appearance of visible artifacts. ![]() It is not recommended to use this format for compression of drawings and various kinds of graphics. The JPG algorithm is optimally suitable for compressing photographs and pictures in which realistic scenes with little contrast of colors are present. It is also frequently used in memory cards of digital video cameras. ![]() ![]() Because of the small size, it is requested by the owners of websites, allowing you to save the traffic effectively. It uses the technology of encoding smooth color renditions, providing the ability to frequently reduce the amount of data during the image's recording. □ JPG – is a popular graphic format characterized by a high image compression rate, which leads to a decrease in image quality. The use of different delimiters allows the availability of unequal encoding. In this case, the text strings are clearly organized, so all values are separated by commas or double quotes (if there are reserved symbols). □ On personal computers, the CSV extension includes many values represented as ASCII tables. They can be opened by most editors able to work with tables and texts, including both authentic Excel and open source utilities like Apache Open Office and Libre Office. CSV, in some cases, are сalled flat files. This allows you to transfer information between different programs freely. If there are reserved symbols (for example, a semicolon or a new line), double quotes play the separator role. Commas separate the parameters of each column. Using the spreadsheet application, CSV files can be organized into cells and added to the appropriate database. Each line of the file acts as one row of the database. The data inside of which are separated by commas-developed in the early 70-ies of the XX century to import various table information and transfer bulk information between databases in text format. Run this program like this: java ZipDir For example, compress a sub directory in the current directory: java ZipDir JavaTutorialsThis compresses the whole directory JavaTutorials into the JavaTutorials.zip file.□ CSV – is a unique text format. Private static void zipFile(String filePath) Note that the directory path is given from the command line. * This Java program demonstrates how to compress a file in ZIP format. Compress a Single File ExampleThe following program compresses a file whose path is passed from the command line: import java.io.*
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