Java temporary file read/write

static File	createTempFile(String prefix, String suffix) Create an empty file in the default temporary file directory and use the given prefix and suffix to generate its name.
static File	createTempFile(String prefix, String suffix, File directory) Create a new empty file in the specified directory and generate its name using the given prefix and suffix string.

void	deleteOnExit() When the virtual machine is terminated, a request is sent to delete the files or directories represented by this abstract path name.

 

Try {<br/> // obtain the current path of the Program <br/> string strdir = system. getproperty ("user. dir "); <br/> // change the path separator <br/> string folderpath = strdir. replace ('//', file. separatorchar); <br/> string filepath = folderpath + file. separatorchar + "josp. TMP "; <br/> file = new file (folderpath); <br/> // create Temp File <br/> file temp = file. createtempfile ("josp ",". TMP ", file); </P> <p> // Delete temp file when program exits. <br /> Temp. deleteonexit (); </P> <p> // write to file. True indicates that write continues at the end, false indicates that the original content is overwritten. <br/> bufferedwriter out = new bufferedwriter (New filewriter (temp, true); <br/> out. write ("astring/N"); <br/> out. write ("aaaaaaaaa/N"); <br/> out. close (); <br/> out = new bufferedwriter (New filewriter (temp, true); <br/> out. write ("astring/N"); <br/> out. write ("aaaaaaaaa/N"); <br/> out. close (); </P> <p> bufferedreader in = new Bufferedreader (New filereader (temp); <br/> string STR; <br/> while (STR = in. Readline ())! = NULL) <br/> system. out. println (STR); <br/> in. close (); </P> <p >}catch (ioexception e) {<br/>}