Technology , Education and Mortivation

                      Upcasting  and Downcasting    Upcasting The process of adding a sub-class object to a super-class reference variable is called upcasting . A    a = new B();      Downcasting   The process of getting a sub-class object  placed in a  super         class variable back to the same sub-class reference is called downcasting . B b = (B) a ; For additional information 👇

SAMSUNG GALAXY M02S  Samsung Galaxy M02S smartphone was launched on 5th January 2021. It is a good phone for the money in hand. I also bought this phone a few days before creating this blog. I will now tell you the details about this phone. First, let's talk about the display of this phone. Display details The phone comes with a  6.50-inch touchscreen display with a resolution of 720*1600 pixels. Let's see about the processor of this phone.        Processor details Samsung Galaxy M02S is powered by an Octa-core  Qualcomm Snapdragon 450 processor. It comes with a 3GB/4GB Ram . It comes with  32GB/64GB Internal storage. The Samsung Galaxy  M02S runs one UI  is based on Android 10 and packs 32 GB of Inbuilt storage that can be expanded via MicroSD card ( up to 512 GB ). Let's see about the camera of this phone. Camera  details As far as the cameras are concerned, the Samsung Galaxy M02S  on the rear packs a 13-Megapixel primary camera , a 2-Megapixel  depth sensor , and a 2-