Layout

activity_main.xml

<LinearLayout
  android:id="@+id/parent_linear_layout"
  android:layout_width="match_parent"
  android:layout_height="match_parent">
  
  <TextView
    android:id="@+id/top_text_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>
    
  <TextView
    android:id="@+id/middle_text_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>
    
  <TextView
    android:id="@+id/bottom_text_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>
</LinearLayout>

MainActivity.java

protected void onCreate(Bundle savedInstanceState){
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  
  // Get the top text view
  TextView top = (TextView) findViewById(R.id.top_text_view);
  
  // Get the bottom text view
  TextView bottom = (TextView) findViewById(R.id.bottom_text_view);
}