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.

Go to the directory where you have your .java files. Create a directory build. Run java compilation from the command line. javac -d ./build *.java if there are no errors, in the build directory you should have your class tree. move to the build directory and do a . jar cvf YourJar.jar * For adding manifest check jar command line switches

Jul 7, 2009 · To write a ZIP file, you use a ZipOutputStream. For each entry that you want to place into the ZIP file, you create a ZipEntry object. You pass the file name to the ZipEntry constructor; it sets the other parameters such as file date and decompression method. You can override these settings if you like.

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

Dec 15, 2011 · Based on the below code you get or create a file and use it as a util method. public static File getFileFromResource(String filePath) { ClassLoader classloader = Thread.currentThread().getContextClassLoader(); return new File(Objects.requireNonNull(classloader.getResource(filePath)).getFile()); } Project structure

Mar 12, 2012 · I want to create a file in a new directory using the relative path. Creating the directory "tmp" is easy enough. However, when I create the file, it is just located in the current directory not the new one. The code line is below. File tempfile = new File("tempfile.txt"); Have tried this also: File tempfile = new File("\\user.dir\\tmp\\tempfile ...

Let we have java file test.java which contains main class testa now first we compile our java file simply as javac test.java we create file manifest.txt in same directory and we write Main-Class: mainclassname . e.g : Main-Class: testa then we create jar file by this command : jar cvfm anyname.jar manifest.txt testa.class

Dec 16, 2024 · jar cf jar-file input-file(s) The options and arguments used in this command are: The c option indicates that you want to create a JAR file. The f option indicates that you want the output to go to a file rather than to stdout. jar-file is the name that you want the resulting JAR file to have. You can use any filename for a JAR file.

Aug 6, 2009 · I decided to write a class from this thread that may be helpful to others. Note that this is currently intended to write in the "files" directory only (e.g. does not write to "sdcard" paths).

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);