Do I need to learn Java for React Native?

Having a solid foundation will give you a head start in learning and also help you debug and troubleshoot issues faster. To prepare for learning React Native, you can also learn a bit about Java and Swift or Objective-C languages as these are the underlying native programming languages for Android and iOS development.

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Is React Native too slow?

React Native application are really slow most of the times . Large sets of the list, images, assets, API responses and multiple rendering, profiling, memorization, lazy-loading, I was thrown this many terms during the process of improving our application performance.

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