Is java.util.Scanner that slow?

Question

In a Android application I want to use Scanner class to read a list of floats from a text file (it\'s a list of vertex coordinates for OpenGL). Exact code is:

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Answer 1

For the Spotify Challenge they wrote a small java utility for parsing IO faster: http://spc10.contest.scrool.se/doc/javaio The utility is called Kattio.java and uses BufferedReader, StringTokenizer and Integer.parseInt/Double.parseDouble/Long.parseLong to read numerics.