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Lead Android Developer Interview Questions

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4,303 lead android developer interview questions shared by candidates

So the Technical telephonic round started with very easy Java questions and then Android ones, listing them down here: Java : What is Static, how would you create a constant in Java, Access modifier in Constant, Diff b/w super and this, Diff b/w Array, Maps and Sets. Android : What happens to an app with just single activity when configuration changes, Clicking on a button increments a counter, what happens to the counter on rotating the app, how can we save the Counter Infomation (told him about savedInstanceState), What is persistence in Android and ways to persist data, how would you perform heavy background operations(Explained everything abt Service, Threads, AsyncTask) and the interviewer was very happy with my answers. Second part was a cding round on Coderpad where I had to find the Lowest common Ancestor, I tried but my solution was giving me Node just above Ancestor (in the end explained the Algo. of what I was trying to do.).
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Android Developer

Interviewed at Yahoo

4★
Feb 23, 2017

So the Technical telephonic round started with very easy Java questions and then Android ones, listing them down here: Java : What is Static, how would you create a constant in Java, Access modifier in Constant, Diff b/w super and this, Diff b/w Array, Maps and Sets. Android : What happens to an app with just single activity when configuration changes, Clicking on a button increments a counter, what happens to the counter on rotating the app, how can we save the Counter Infomation (told him about savedInstanceState), What is persistence in Android and ways to persist data, how would you perform heavy background operations(Explained everything abt Service, Threads, AsyncTask) and the interviewer was very happy with my answers. Second part was a cding round on Coderpad where I had to find the Lowest common Ancestor, I tried but my solution was giving me Node just above Ancestor (in the end explained the Algo. of what I was trying to do.).

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