Scanner Scanner Tool class

It realizes the type judgment of scanner content, type coercion.

Content to scan: String,double,float,integer

1  Public classGetData {2     Private StaticScanner Scanner;3     Static {4Scanner =NewScanner (system.in);5     }6 7     PrivateGetData () {8     }9 Ten     /** One * Return String type A      *  -      * @return -      */ the      Public StaticString getString () { -         returnscanner.nextline (); -     } -  +     /** - * Return float type, possibly null +      *  A      * @return at      */ -      Public StaticFloat getfloat () { -  -String string =scanner.nextline (); - Float F; -         Try { inf =float.parsefloat (string); -             returnF; to}Catch(NumberFormatException e) { +             //TODO auto-generated Catch block -             //e.printstacktrace (); the             return NULL; *         } $     }Panax Notoginseng  -     /** the * Gets the integer type value.  +      *  A      * @return the      */ +      Public StaticInteger Getinteger () { -String string =scanner.nextline (); $ integer integer; $         Try { -Integer =integer.parseint (string); -             returninteger; the}Catch(NumberFormatException e) { -             //e.printstacktrace ();Wuyi             return NULL; the         } -  Wu     } -  About     /** $ * Gets the double type value.  -      *  -      * @return -      */ A      Public StaticDouble getdouble () { +String string =scanner.nextline (); the Double integer; -         Try { $Integer =double.parsedouble (string); the             returninteger; the}Catch(NumberFormatException e) { the             //e.printstacktrace (); the             return NULL; -         } in     } the  the     /** About * Close Scanner the      */ the      Public Static voidClosescanner () { the scanner.close (); +     } -}

Scanner Scanner Tool class