read string value from resource

https://www.dev2qa.com/how-to-read-string-value-array-from-strings-xml-in-android/

<resources>

    <string name="button_show_selection">Show Selection</string>

    <string name="auto_complete_text_view_car">Input Favorite Car Name</string>

</resources>

String defaultInputText = getResources().getString(R.string.auto_complete_text_view_car);

Define a string array in strings.xml use string-array xml element.
<resources>
    <string name="button_show_selection">Show Selection</string>

    <string name="auto_complete_text_view_car">Input Favorite Car Name</string>

    <string-array name="car_array">
        <item>Audi</item>
        <item>BMW</item>
        <item>Benz</item>
        <item>Ford</item>
        <item>Toyota</item>
        <item>Tesla</item>
        <item>Honda</item>
        <item>Hyundai</item>
    </string-array>

</resources>

Read the string array in java source code. Please note car_array is just the string array name defined in strings.xml.
String carArr[] = getResources().getStringArray(R.array.car_array);