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## org.apache.commons.math.genetics
Class ListPopulation

    java.lang.Object
      org.apache.commons.math.genetics.ListPopulation

All Implemented Interfaces:
  Iterable<Chromosome>, Population

Direct Known Subclasses:
  ElitisticListPopulation

    public abstract class ListPopulation

extends Object
implements Population

Population of chromosomes represented by a `List`.

Since:
  2.0
Version:
  $Revision: 983921 $ $Date: 2010-08-10 12:46:06 +0200 (mar. 10 aoÃ»t 2010) $

Constructor Summary
`ListPopulation(int populationLimit)` Creates a new ListPopulation instance and initializes its inner chromosome list.
`ListPopulation(List<Chromosome> chromosomes, int populationLimit)` Creates a new ListPopulation instance.

Method Summary
`void` | `addChromosome(Chromosome chromosome)` Add the given chromosome to the population.
`List<Chromosome>` | `getChromosomes()` Access the list of chromosomes.
`Chromosome` | `getFittestChromosome()` Access the fittest chromosome in this population.
`int` | `getPopulationLimit()` Access the maximum population size.
`int` | `getPopulationSize()` Access the current population size.
`Iterator<Chromosome>` | `iterator()` Chromosome list iterator
`void` | `setChromosomes(List<Chromosome> chromosomes)` Sets the list of chromosomes.
`void` | `setPopulationLimit(int populationLimit)` Sets the maximal population size.
`String` | `toString()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.apache.commons.math.genetics.Population
`nextGeneration`

Constructor Detail

### ListPopulation

    public ListPopulation(List<Chromosome> chromosomes,
                          int populationLimit)

  Creates a new ListPopulation instance.

  Parameters:
    `chromosomes` - list of chromosomes in the population
    `populationLimit` - maximal size of the population

### ListPopulation

    public ListPopulation(int populationLimit)

  Creates a new ListPopulation instance and initializes its inner chromosome list.

  Parameters:
    `populationLimit` - maximal size of the population

Method Detail

### setChromosomes

    public void setChromosomes(List<Chromosome> chromosomes)

  Sets the list of chromosomes.

  Parameters:
    `chromosomes` - the list of chromosomes

### getChromosomes

    public List<Chromosome> getChromosomes()

  Access the list of chromosomes.

  Returns:
    the list of chromosomes

### addChromosome

    public void addChromosome(Chromosome chromosome)

  Add the given chromosome to the population.

  Specified by:
    `addChromosome` in interface `Population`
  Parameters:
    `chromosome` - the chromosome to add.

### getFittestChromosome

    public Chromosome getFittestChromosome()

  Access the fittest chromosome in this population.

  Specified by:
    `getFittestChromosome` in interface `Population`
  Returns:
    the fittest chromosome.

### getPopulationLimit

    public int getPopulationLimit()

  Access the maximum population size.

  Specified by:
    `getPopulationLimit` in interface `Population`
  Returns:
    the maximum population size.

### setPopulationLimit

    public void setPopulationLimit(int populationLimit)

  Sets the maximal population size.

  Parameters:
    `populationLimit` - maximal population size.

### getPopulationSize

    public int getPopulationSize()

  Access the current population size.

  Specified by:
    `getPopulationSize` in interface `Population`
  Returns:
    the current population size.

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`

### iterator

    public Iterator<Chromosome> iterator()

  Chromosome list iterator

  Specified by:
    `iterator` in interface `Iterable<Chromosome>`
  Returns:
    chromosome iterator

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