Uolo EdTech Interview Questions and Answers for Freshers

No, calling finish() in onCreate() will not call onResume() or other lifecycle functions before onDestroy().

• Calling finish() in onCreate() will immediately destroy the activity without calling any other lifecycle methods.

• If you want to finish an activity after it has been created and resumed, you should call finish() in onPause() or onStop().

• It is generally not recommended to call finish() in onCreate() as it can lead

RecyclerView is a flexible view for providing a limited window into a large data set.

• RecyclerView is used to display large sets of data efficiently

• It uses a ViewHolder pattern to recycle views

• Corner cases include handling empty data sets and updating data dynamically

Communication between activity and fragment is done through interfaces.

• Activity implements an interface and passes it to the fragment

• Fragment can then call methods of the interface to communicate with the activity

• This allows for communication between the two components without tight coupling

Find the second largest element in an array of strings.

• Sort the array in descending order and return the second element.

• Iterate through the array and keep track of the largest and second largest elements.

• Use a priority queue to find the second largest element.

Online education system in India has great potential but needs improvement.

• Online education has become more popular due to the pandemic.

• There is a lack of infrastructure and resources for online education in rural areas.

• Online education can be more affordable and accessible than traditional education.

• There is a need for better quality control and accreditation for online courses.

• Online education can provide opportuniti...read more