Deflater finished() function in Java with examples
The finished() function of the Deflater class in java.util.zip returns true if the end of compression data output stream has been reached.
Function Signature:
public boolean finished()
Syntax:
d.finished();
Parameter: The function requires no parameter
Return Type: The function returns boolean value i.e. true if all the input is compressed and stored in the given buffer, else false.
Exception: The function does not throw any exception
Example 1: To demonstrate the use of finished() function
import java.util.zip.*;
import java.io.UnsupportedEncodingException;
class GFG {
public static void main(String args[])
throws UnsupportedEncodingException
{
Deflater d = new Deflater();
String pattern = "GeeksforGeeks" , text = "" ;
for ( int i = 0 ; i < 4 ; i++)
text += pattern;
d.setInput(text.getBytes( "UTF-8" ));
d.finish();
System.out.println( "end of compressed data "
+ "output stream reached :"
+ d.finished());
byte output[] = new byte [ 1024 ];
int size = d.deflate(output);
System.out.println( "Compressed String :"
+ new String(output)
+ "\n Size " + size);
System.out.println( "Original String :" + text
+ "\n Size " + text.length());
System.out.println( "end of compressed data "
+ "output stream reached :"
+ d.finished());
d.end();
}
}
|
Output:
end of compressed data output stream reached :false
Compressed String :x?sOM?.N?/r???q??
Size 21
Original String :GeeksforGeeksGeeksforGeeksGeeksforGeeksGeeksforGeeks
Size 52
end of compressed data output stream reached :true
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/zip/Deflater.html#finished()
Last Updated :
24 Jun, 2019
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