1- lyaout

<resources>

<string name="app_name">localization</string>

<string name="buhome">Home</string>

<string name="mgs">Welcome</string>

<string-array name="myarray">

<item>name</item>

<item>name</item>

<item>name</item>

</string-array>

</resources>

2- code

String msg=getResources().getString(R.string.mgs);

Toast.makeText(this,msg,Toast.LENGTH_LONG).show();

String[] myarray=getResources().getStringArray(R.array.myarray);