what is 0.7f in setQuality(0.7f)??

[eramgarden]

I'm new to Java and have inherited a code...

I have this line of code:
encodeParam.setQuality(0.7f);

what is 0.7f? The image is blury and I think this line of code is causing it..

 

[prosper]

0.7f represents a float literal 0.7
0.7d represents a double literal 0.7

reference link:

http://www.particle.kth.se/~lindsey/JavaCourse/Book/Tech/Chapter02/floatingPt.html

In Java the float representation has a 23 bit significant and double has a 53 bit mantissa. This means that float gives 6 to 9 digits of decimal precision while double gives 15 to 17 digits of decimal precision.