#11 File Parser Code Review

Perform a code review of this class:

public class Parser {
  private File file;
  public synchronized void setFile(File f) {
    file = f;
  }
  public synchronized File getFile() {
    return file;
  }

  public String getContent() throws IOException {
    InputStream i = new FileInputStream(file);
    String output = "";
    int data;
    while ((data = i.read()) > 0) {
      output += (char) data;
    }
    return output;
  }

  public String getContentWithoutUnicode() throws IOException {
    InputStream i = new FileInputStream(file);
    String output = "";
    int data;
    while ((data = i.read()) > 0) {
      if (data < 0x80) {
        output += (char) data;
      }
    }
    return output;
  }

  public void saveContent(String content) throws IOException {
    OutputStream o = new FileOutputStream(file);
    for (int i = 0; i < content.length(); i += 1) {
      o.write(content.charAt(i));
    }
  }
}