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Copy a file with FileInputStream and FileOutputStream

import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; class CopyFile {   public static void main(String args[]) throws IOException {     int i;     FileInputStream fin;     FileOutputStream fout;     fin = new FileInputStream(args[0]);     fout = new FileOutputStream(args[1]);     do {       i = fin.read();       if (i != -1)         fout.write(i);     } while (i != -1);     fin.close();     fout.close();   } }