import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.SequenceInputStream;
import java.util.Enumeration;
import java.util.Vector;
public class MainClass {
public static void main(String args[]) throws Exception {
Vector v = new Vector(3);
v.add(new FileInputStream("/a/b"));
v.add(new FileInputStream("yourfile.bar"));
v.add(new FileInputStream("/yourfile.txt"));
Enumeration e = v.elements();
SequenceInputStream sis = new SequenceInputStream(e);
InputStreamReader isr = new InputStreamReader(sis);
BufferedReader br = new BufferedReader(isr);
String line;
while ((line = br.readLine()) != null) {
System.out.println(line);
}
br.close();
}
}