DoubleDoubleFunction

All Known Implementing Classes:

PlusMult
```
public interface DoubleDoubleFunction
```
Interface that represents a function object: a function that takes two arguments and returns a single value.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  double apply(double x, double y)
  Applies a function to two arguments.

- Method Detail
  - apply
```
double apply(double x,
             double y)
```
    Applies a function to two arguments.
    
    Parameters:
    
    x - the first argument passed to the function.
    
    y - the second argument passed to the function.
    
    Returns:
    
    the result of the function.