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Create an inputstream on the channel

import java.io.File; import java.io.InputStream; import java.io.RandomAccessFile; import java.nio.channels.Channels; import java.nio.channels.FileChannel; public class Main {   public static void main(String[] argv) throws Exception {     // Create a read/writeable file channel     File file = new File("filename");     FileChannel channel = new RandomAccessFile(file, "rw").getChannel();     InputStream is = Channels.newInputStream(channel);     // Close the channel     is.close();   } }