this.lowerVirtuelKey = virtuelKey; this.upperVirtuelKey = virtuelKey; this.altGrVirtuelKey = virtuelKey;  lowerChar = 0; upperChar = 0; altGrChar = 0;
  public Key(int virtuelKey)  {    this.lowerVirtuelKey = virtuelKey;    this.upperVirtuelKey = virtuelKey;    this.altGrVirtuelKey = virtuelKey;        lowerChar = 0;    upperChar = 0;    altGrChar = 0;  }