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Inflater getAdler() function in Java with examples

  • Last Updated : 24 Jun, 2019

The getAdler() function of the Inflater class returns the Adler-32 value of the uncompressed data. Adler-32 is a checksum algorithm which is widely used zlib compression library.

Function Signature:

public int getAdler()



Parameter: The function requires no parameter

Return Type: The function returns Integer value which is the Adler-32 value of the uncompressed data.
Exception: The function does not throw any exception

Example 1: use of getAdler() function

// Java program to describe the use
// of getAdler function
class GFG {
    public static void main(String args[])
        throws UnsupportedEncodingException,
        // compress the data
        // deflater
        Deflater d = new Deflater();
        // get the text
        String pattern = "GeeksforGeeks", text = "";
        // generate the text
        for (int i = 0; i < 4; i++)
            text += pattern;
        // set the input for deflator
        // finish
        // output bytes
        byte output[] = new byte[1024];
        // compress the data
        int size = d.deflate(output);
        // end
        // end of compression
        // use Inflater to get back the original data
        // Inflater
        Inflater i = new Inflater();
        // set the input for inflator
        // output bytes
        byte inflater_output[] = new byte[1024];
        // uncompress the data
        int org_size = i.inflate(inflater_output);
        // output of inflater and deflater
        System.out.println("Compressed output of deflater : "
                           + new String(output));
        System.out.println("Compressed output of Inflater : "
                           + new String(inflater_output, "UTF-8"));
        // get Adler-32 value
        System.out.println("Adler-32 value :" + i.getAdler());
        // end



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