studentsGrades.json

{
  "students": [{
    "name": "Daria Dadov",
    "studentId":10,
    "year": 3,
    "courses": [{
      "courseName": "C",
      "grade": 90
    }, {
      "courseName": "Java",
      "grade": 83
    }, {
      "courseName": "Web Services",
      "grade": 90
    }]

  }, {
    "name": "Karin Levy",
    "studentId":20,
    "year": 3,
    "courses": [{
      "courseName": "C",
      "grade": 93
    }, {
      "courseName": "Java",
      "grade": 75
    }, {
      "courseName": "Web Services",
      "grade": 78
    }]
  }, {
    "name": "Eyal Yashar",
    "studentId":30,
    "year": 4,
    "courses": [{
      "courseName": "C",
      "grade": 82
    }, {
      "courseName": "Java",
      "grade": 96
    }, {
      "courseName": "Web Services",
      "grade": 77
    }]
  }, {
    "name": "Oren Maoz",
    "studentId":40,
    "year": 4,
    "courses": [{
      "courseName": "C",
      "grade": 36
    }, {
      "courseName": "Java",
      "grade": 45
    }, {
      "courseName": "Web Services",
      "grade": 20
    }]
   }, {
    "name": "David Noam",
    "studentId":50,
    "year": 3,
    "courses": [{
      "courseName": "C",
      "grade": 90
    }, {
      "courseName": "Java",
      "grade": 89
    }, {
      "courseName": "Web Services",
      "grade": 96
    }]
  }, {
    "name": "Yoni Rada",
    "studentId":60,
    "year": 2,
    "courses": [{
      "courseName": "C",
      "grade": 82
    }, {
      "courseName": "Java",
      "grade": 96
    }, {
      "courseName": "Web Services",
      "grade": 100
    }]
  }, {
    "name": "Luly Faluly",
    "studentId":70,
    "year": 2,
    "courses": [{
      "courseName": "C",
      "grade": 100
    }, {
      "courseName": "Java",
      "grade": 90
    }, {
      "courseName": "Web Services",
      "grade": 78
    }]
  }, {
    "name": "Chip Chuna",
    "studentId":80,
    "year": 1,
    "courses": [{
      "courseName": "C",
      "grade": 66
    }, {
      "courseName": "Java",
      "grade": 73
    }, {
      "courseName": "Web Services",
      "grade": 99
    }]
  }]
}