com.github.chen0040.gp.utils

Class CollectionUtils

java.lang.Object

com.github.chen0040.gp.utils.CollectionUtils

public class CollectionUtils
extends Object

Created by xschen on 4/5/2017.

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static <T> void	exchange(List<T> a, int i, int j)
static <T extends Comparable<T>> boolean	isBetterThan(T a, T b)
static <T> void	shuffle(List<T> a)
static <T> void	shuffle(List<T> a, RandEngine randEngine)
static <T> com.github.chen0040.data.utils.TupleTwo<List<T>,List<T>>	split(List<T> data, double p)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

shuffle

public static <T> void shuffle(List<T> a,
                               RandEngine randEngine)

shuffle

public static <T> void shuffle(List<T> a)

exchange

public static <T> void exchange(List<T> a,
                                int i,
                                int j)

isBetterThan

public static <T extends Comparable<T>> boolean isBetterThan(T a,
                                                             T b)

split

public static <T> com.github.chen0040.data.utils.TupleTwo<List<T>,List<T>> split(List<T> data,
                                                                                 double p)