Example of Boiler plate code.

StudentListActivity.kt

    private fun launchStudentDetailsActivity(id: String, name: String, totalScore : Int) {
        val intent = Intent(this, StudentDetailsActivity::class.java)
                intent.putExtra(EXTRA_STUDENT_ID, id)
        intent.putExtra(EXTRA_STUDENT_NAME, name)

        //Suppose "totalScore" is score of student in 5 subjects.
        val totalPercentage = totalScore / 5

        intent.putExtra(EXTRA_STUDENT_PERCENTAGE, totalPercentage)
        startActivity(intent)
    }

    private fun launchStudentEditorActivity(id: String, name: String, totalScore : Int) {
        val intent = Intent(this, StudentEditorActivity::class.java)
                intent.putExtra(EXTRA_STUDENT_ID, id)
        intent.putExtra(EXTRA_STUDENT_NAME, name)

        //Suppose "totalScore" is score of student in 5 subjects.
        val totalPercentage = totalScore / 5

        intent.putExtra(EXTRA_STUDENT_PERCENTAGE, totalPercentage)
        startActivity(intent)
    }