Java Lambda - ToDoubleFunction applyAsDouble example

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ToDoubleFunction applyAsDouble applies this function to the given argument.

Syntax

applyAsDouble has the following syntax.

double applyAsDouble(T value)

Example

The following example shows how to use applyAsDouble.

import java.util.function.ToDoubleFunction;
//from  w w w  .j ava 2s . c om
public class Main {

  public static void main(String[] args) {
    ToDoubleFunction<Integer> i  = (x)-> Math.sin(x);
    
    System.out.println(i.applyAsDouble(Integer.MAX_VALUE));
  }
}

The code above generates the following result.

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