Basic operations for writing files in Java

Import Java.io.bufferedwriter;import java.io.file;import Java.io.filewriter;import Java.io.ioexception;import Java.io.printwriter;public class FileIO {/** * @param args * @throws ioexception */public static void Main (string[] args) Throws IOException {//1. Create a folder mkdir//You can create a folder by this method if the path exists ... Mkdirs path does not exist or can be created by this method, first create the path and then create the folder file Myfolderpath = new file ("D:\\myeclipse2013work\\test\\test"); try {if (! Myfolderpath.exists ()) {Myfolderpath.mkdir ();}} catch (Exception e) {System.out.println ("New directory Operation error"); E.printstacktrace ();} 2. The difference between creating files FileWrite and Printwrite requires attention to file Myfilepathfile = new file ("Test.txt"), and try {if (!myfilepathfile.exists ()) { Myfilepathfile.createnewfile ();} FileWriter resultfile = new FileWriter (myfilepathfile); PrintWriter myFile = new PrintWriter (resultfile); Myfile.println ("New file Operation"); Myfile.println ("New file Operation"); Myfile.println ( "New file Operation"), Myfile.println ("New file Operation"), Myfile.write ("SSS", 1, 1), Myfile.println ("New file Operation"); Resultfile.write (" Sssssssssssss "); Resultfile.close ();} catch (ExceptiOn e) {//Todo:handle exceptionSystem.out.println ("New file Operation Error"); E.printstacktrace ();} 3. FileWrite Combine bufferedwriter print text line testbufferedwriter ();//4. Get the current project path file directory = new file ("");//parameter is empty string Coursefile = Directory.getcanonicalpath (); System.out.println (coursefile);} public static void Testbufferedwriter () {try {String FilePath = "Test1.txt"; File MyFile = new file (FilePath), if (!myfile.exists ()) {myfile.createnewfile ();} FileWriter resultfile = new FileWriter (myFile); BufferedWriter buffer = new BufferedWriter (resultfile); String filecontent = "This is my name./n, we are isoftsotne.com/n Chinesebillboy @ here. /n "; String contentstring = ""; int flag = 0;boolean Isgo = true;while (flag = Filecontent.indexof ("/n"))! =-1 && isgo {contentstring = filecontent.substring (0, flag); Buffer.write (contentstring); Buffer.newline (); Buffer.flush (); if ( Flag + 2 >= filecontent.length ()) {Isgo = false;} else {filecontent = filecontent.substring (flag + 2);}} Buffer.flush (); Resultfile.flush(); Buffer.close (); Resultfile.close ();} catch (IOException IoE) {ioe.printstacktrace ();} finally {}}}

　　

Basic operations for writing files in Java