Type Inference (类型推断)

Abstract

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• Compiler or Interpreter automatically figure out the Datatype based on the context

Java Example

We can do List<Integer> intList = new ArrayList<>() instead of List<Integer> intList = new ArrayList<Integer>(), the Compiler is smart enough to figure out the Datatype for ArrayList based on the context provided by List<Integer>

Reduce boilerplate code

More concise & readable. However, too much may reduce the readability