config.json

{
  "track_id": "j",
  "slug": "j",
  "language": "J",
  "version": 3,
  "active": false,
  "blurb": "J is a terse interpreted array language originally designed by Ken Iverson and Roger Hui. It's great for wholemeal functional programming, supports object orientation, and blazes through numerical vector computations.",
  "online_editor": {
    "indent_style": "space",
    "indent_size": 0
  },
  "solution_pattern": "example.*[.]ijs",
  "exercises": {
    "concept": [],
    "practice": []
  }
}