How to open more than activity from Main Activity in Kotlin?

Question

I have created 2 Activities in Kotlin other than main activity (total 3 activity,
1.activity _Main, 2. activity _A, 3. activity _B).... now I want to make something that when button A is clicked than activity_A is open and when button B is clicked than activity_B is open.

Answer 1

class activity_Main : AppCompatActivity() {

        override fun onCreate(savedInstanceState: Bundle?) {
            super.onCreate(savedInstanceState)
            setContentView(R.layout.activity_Main)


            /*------------------------------------*/
            buttonA.setOnClickListener {
                startActivity(Intent(this, ActivityA::class.java))
            }


            /*------------------------------------*/
            buttonB.setOnClickListener {
                startActivity(Intent(this, ActivityB::class.java))
            }


        }
}