<https://stackoverflow.com/questions/79055324/java...

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" java.lang.ClassCastException: android.widget.Button[] cannot be cast to android.widget.Button" i find this issue in runtime in android kotlin
java.lang.ClassCastException: android.widget.Button[] cannot be cast to android.widget.Button at "com.calculator_app.MainActivity.onCreate$lambda$0(MainActivity.kt:60)"
it specifically mentioning the line num # 60 . i checked but dont understand the issue.
here is my main Activity code ,iam developing calculator where i used lots of button in the xml screen
package com.calculator_app

import...