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Java Tutorial : Java IO (FileInputStream and FileOutputStream) |
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import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; public class FileReadWriteDemo { public static void main(String[] args) throws IOException { FileReadWriteDemo fileReadWriteDemo = new FileReadWriteDemo(); fileReadWriteDemo.readAndWriteFile(); } private void readAndWriteFile() throws IOException { FileInputStream fileInputStream = null; FileOutputStream fileOutputStream = null; try { /* * Creates a FileInputStream by opening a * connection to an actual file, the file named * by the path name name in the file system. */ String inputFileName = "myinputfile.txt"; fileInputStream = new FileInputStream(inputFileName); /* * Creates a file output stream to write to the * file with the specified name. */ String outputFileName = "myoutputfile.txt"; fileOutputStream = new FileOutputStream(outputFileName); int i; /* * Reads a byte of data from this input stream. */ while ((i = fileInputStream.read()) != -1) { /* * Writes the specified byte to this file * output stream. */ fileOutputStream.write(i); } System.out .println("Successfully read and " + "writen to the \'" + outputFileName + "\'file."); } finally { if (fileInputStream != null) { /* * Closes this file input stream and * releases any system resources associated * with the stream. */ fileInputStream.close(); } if (fileOutputStream != null) { /* * Closes this file output stream and * releases any system resources associated * with this stream. */ fileOutputStream.close(); } } } }
Successfully read and writen to the 'myoutputfile.txt'file.
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https://sites.google.com/site/javaee4321/java/JavaIODemo_FileInputStream_FileOutputStream_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/JavaIODemo_FileInputStream_FileOutputStream_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/8856efd41d266466f6a6531fd665f7cfc37ad73f/BasicJava/JavaIODemo_FileInputStream_FileOutputStream_App/?at=master
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