This article shows how to use the Apache Commons JXPath component to easily query complex Java object trees for data using the XPath expression language. It covers both basic and advanced features ...

At the top of your Java file, add them as follows:import android.graphics.Bitmap; import android.graphics.BitmapFactory;The Bitmap class is necessary to store the image content as a Bitmap object ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.