Pair

java.lang.Object
- org.opt4j.optimizer.ea.Pair<A>

Type Parameters:

A - the type of the paired objects
```
public class Pair<A>
extends Object
```
The Pair groups two objects of the same type in a given order.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  protected A first
  
  protected A second
- Constructor Summary
  
  Constructors
  Constructor Description
  
  Pair(A first, A second)
  Constructs a Pair with a first and a second element.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  A getFirst()
  Returns the first element.
  
  A getSecond()
  Returns the second element.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - first
```
protected final A first
```
  - second
```
protected final A second
```
- Constructor Detail
  - Pair
```
public Pair(A first,
            A second)
```
    Constructs a Pair with a first and a second element.
    
    Parameters:
    
    first - the first object
    
    second - the second object
- Method Detail
  - getFirst
```
public A getFirst()
```
    Returns the first element.
    
    Returns:
    
    the first element
  - getSecond
```
public A getSecond()
```
    Returns the second element.
    
    Returns:
    
    the second element