May 21, 2010 · Java NIO. If you already have the content you want to write to the file (and not generated on the fly), the java.nio.file.Files addition in Java 7 as part of Java NIO provides the simplest and most efficient way to achieve your goals.

Mar 3, 2017 · Create New File in Specified Path. import java.io.File; import java.io.IOException; public class ...

It will create a file abc.txt if it doesn't exist. If it does, it will overwrite the file. You can also open the file in append mode by using another constructor of FileWriter: BufferedWriter br = new BufferedWriter(new FileWriter(new File("abc.txt"), true)); br.write("some text"); The documentation for above constructor says:

Apr 10, 2016 · To be sure you probably should first test that the file exists before you create the FileOutputStream (and create with createNewFile() if it doesn't): File yourFile = new File("score.txt"); yourFile.createNewFile(); // if file already exists will do nothing FileOutputStream oFile = new FileOutputStream(yourFile, false);

Furthermore, you can create several File objects with different paths (esp. when one is absolute and others are relative from different parent paths), but they will all point to the same file/directory when they are actually evaluated (by opening a file with In/OutputStream, Reader/Writer; when checking with exists() or creating: createFile ...

Apr 7, 2020 · I am wondering what is the easiest (and simplest) way to write a text file in Java. Please be simple, because I am a beginner :D I searched the web and found this code, but I understand 50% of it.

Sep 3, 2010 · Create a single directory. new File("C:\\Directory1").mkdir(); Create a directory named “Directory2 and all its sub-directories “Sub2″ and “Sub-Sub2″ together. new File("C:\\Directory2\\Sub2\\Sub-Sub2").mkdirs() Source: this perfect …

Jul 24, 2009 · I want to create an Excel file and write data just like writing a text file with Java. I tried to change file extension from .txt to .xls.

Mar 8, 2016 · I want to write a new file with the FileWriter. I use it like this: FileWriter newJsp = new FileWriter("C:\\user\Desktop\dir1\dir2\filename.txt"); Now dir1 and dir2 currently don't exist. I want Java to create them automatically if they aren't already there. Actually Java should set up the whole file path if not already existing. How can I ...

Aug 30, 2021 · File file = new File(directoryName + "/" + fileName); i replaced the code snippet above with StringBuffer fullFilePath = new StringBuffer(directoryName).append(File.separator).append(fileName); File file = new File(String.valueOf(fullFilePath)); and it worked –