Digital India Corporation Mobile Application Developer Interview Questions and Answers

Apt questions and some Java related questions

Q1. Difference between Abstract and Interface class in Java
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Q2. Difference between Intent and Intent filter
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Q1. What is an activity in Android?
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Q2. An activity represents a single screen in an app.
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Q1. Where is Android language use?
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Q2. Android Language is a Programming language in ready to Mobile apps and Desktop app....etc
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Q1. How do you the display a Toast message in Android?
Ans. 
To display a Toast message in Android, use the Toast class and call the makeText() method.
• Create a Toast object by calling Toast.makeText() method with context, message, and duration parameters

• Call show() method on the Toast object to display the message on the screen
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Q2. Toast.make Text(context, "Hello World",Toast.LENGTH_SHORT).show();
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Q1. What is the difference between Activity and Fragment in Android?
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Q2. Activity and Fragment.
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