MobileAds.initialize(Context, String) is deprecated android

Compile time warning message : 'initialize(Context!, String!): Unit' is deprecated. Deprecated in Java

When visit official link of "MobileAds.initialize(Context, String)" then it shows below

public static void initialize (Context context, String applicationCode)

This method is deprecated.

Use initialize(Context, OnInitializationCompleteListener) instead.

Initializes the Google Mobile Ads SDK. The SDK will configure itself.

Call this method as early as possible, and only once per application launch.