BluSmart Interview Questions and Answers

Q1. Fragment add vs replace lifecycle methods
Ans. 
Fragment add vs replace lifecycle methods
• When using add, the fragment's lifecycle methods are called but the view is not recreated

• When using replace, the fragment's view is recreated and its lifecycle methods are called

• Add is useful for retaining the fragment's state, while replace is useful for completely replacing the fragment
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Q2. Difference between light weight and heavy weight operations
Ans. 
Light weight operations are simple and quick, heavy weight operations are complex and time-consuming.
• Light weight operations are typically simple and quick to execute.

• Heavy weight operations are usually complex and time-consuming.

• Examples of light weight operations include basic arithmetic calculations.

• Examples of heavy weight operations include complex algorithms or database queries.
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