Java by API/java.io/SequenceInputStream

new SequenceInputStream(Enumeration<? extends InputStream> arg0)

 

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.SequenceInputStream;
import java.util.Vector;
public class Main {
  public static void main(String[] args) throws IOException {
    Vector theStreams = new Vector();
    for (int i = 0; i < args.length; i++) {
      FileInputStream fin = new FileInputStream(args[i]);
      theStreams.addElement(fin);
    }
    InputStream in = new SequenceInputStream(theStreams.elements());
    for (int i = in.read(); i != -1; i = in.read()) {
      System.out.write(i);
    }
  }
}

new SequenceInputStream(InputStream s1, InputStream s2)

 
import java.io.FileInputStream;
import java.io.IOException;
import java.io.SequenceInputStream;
public class Main {
  public static void main(String args[]) throws IOException {
    FileInputStream f1 = new FileInputStream("ByteArrayIOApp.java");
    FileInputStream f2 = new FileInputStream("FileIOApp.java");
    SequenceInputStream  inStream = new SequenceInputStream(f1, f2);
    boolean eof = false;
    int byteCount = 0;
    while (!eof) {
      int c = inStream.read();
      if (c == -1)
        eof = true;
      else {
        System.out.print((char) c);
        ++byteCount;
      }
    }
    System.out.println(byteCount + " bytes were read");
    inStream.close();
    f1.close();
    f2.close();
  }
}

SequenceInputStream: close()

 
import java.io.FileInputStream;
import java.io.IOException;
import java.io.SequenceInputStream;
public class Main {
  public static void main(String args[]) throws IOException {
    FileInputStream f1 = new FileInputStream("ByteArrayIOApp.java");
    FileInputStream f2 = new FileInputStream("FileIOApp.java");
    SequenceInputStream  inStream = new SequenceInputStream(f1, f2);
    boolean eof = false;
    int byteCount = 0;
    while (!eof) {
      int c = inStream.read();
      if (c == -1)
        eof = true;
      else {
        System.out.print((char) c);
        ++byteCount;
      }
    }
    System.out.println(byteCount + " bytes were read");
    inStream.close();
    f1.close();
    f2.close();
  }
}

SequenceInputStream: read()

 
import java.io.FileInputStream;
import java.io.IOException;
import java.io.SequenceInputStream;
public class Main {
  public static void main(String args[]) throws IOException {
    FileInputStream f1 = new FileInputStream("ByteArrayIOApp.java");
    FileInputStream f2 = new FileInputStream("FileIOApp.java");
    SequenceInputStream  inStream = new SequenceInputStream(f1, f2);
    boolean eof = false;
    int byteCount = 0;
    while (!eof) {
      int c = inStream.read();
      if (c == -1)
        eof = true;
      else {
        System.out.print((char) c);
        ++byteCount;
      }
    }
    System.out.println(byteCount + " bytes were read");
    inStream.close();
    f1.close();
    f2.close();
  }
}