what is java type inference

1. Type inference is the Java compiler's ability to look at each method call and corresponding declaration to determine the applicable type parameters of the call.

2. The inference algorithm determines the type of parameters and determines whether the result is assigned or returned. The inference algorithm attempts to find the most specific type to use with all parameters.

Example

class<T> MyClass {
  private T t
  public MyClass(T t) {
    this.t = t;
  }
}
 
MyClass myClass = new MyClass("a");

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