package java.io;

public abstract class Writer {
  public void write(int c) throws IOException {
    char[] buffer = new char[] { (char) c };
    write(buffer);
  }

  public void write(char[] buffer) throws IOException {
    write(buffer, 0, buffer.length);
  }

  public void write(String s) throws IOException {
    write(s.toCharArray());
  }

  public void write(String s, int offset, int length) throws IOException {
    char[] b = new char[length];
    s.getChars(offset, length, b, 0);
    write(b);
  }

  public abstract void write(char[] buffer, int offset, int length)
    throws IOException;

  public abstract void flush() throws IOException;

  public abstract void close() throws IOException;
}