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Red Hat Bugzilla – Attachment 309918 Details for
Bug 452235
java.util.Scanner.nextFloat() not working
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the test program sources
Test.java (text/x-java), 876 bytes, created by
Andrea Santilli
on 2008-06-20 13:40:31 UTC
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Description:
the test program sources
Filename:
MIME Type:
Creator:
Andrea Santilli
Created:
2008-06-20 13:40:31 UTC
Size:
876 bytes
patch
obsolete
>import java.util.Scanner; >import java.io.*; > >public class Test >{ > public static void main(String args[]) > { > if (args.length != 1) { > System.err.println("Incorrect number of parameters."); > return; > } > > FileInputStream in=null; > try { > in = new FileInputStream(new File(args[0])); > } catch (FileNotFoundException e) { > System.err.println("File "+args[0]+" not found."); > return; > } > > Scanner sc = new Scanner(in); > String line = sc.nextLine(); > > Scanner ps = new Scanner(line); > > float val=0.0f; > try { > val = ps.nextFloat(); > } catch (java.util.InputMismatchException e) { > e.printStackTrace(); > System.err.println("Scanner.nextFloat() is screwed... let's try something else."); > try { > val = Float.parseFloat(ps.next()); > } catch (java.util.InputMismatchException e2) { > e2.printStackTrace(); > } > } > > System.out.println(val); > > } >}
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