程序包 io.github.burukeyou.dataframe.iframe.support

类 DFList<T>

java.lang.Object

io.github.burukeyou.dataframe.iframe.support.DFList<T>

类型参数:

T - 元素类型

public class DFList<T>
extends Object

作者:

caizhihao

构造器概要

构造器

构造器	说明
DFList(List<T> data)

方法概要

修饰符和类型	方法	说明
List<T>	build()
T	first()
DFList<T>	first(int n)	取前N个
DFList<T>	last(int n)	取后N个
DFList<T>	sortAsc(Comparator<T> comparator)
DFList<T>	sortDesc(Comparator<T> comparator)
JDFrame<T>	toJDFrame()
<K> Map<K,T>	toMap(java.util.function.Function<T,K> function)
<K,V> Map<K,V>	toMap(java.util.function.Function<T,K> function, java.util.function.Function<T,V> function2)
SDFrame<T>	toSDFrame()

从类继承的方法 java.lang.Object

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

构造器详细资料

DFList

public DFList(List<T> data)

方法详细资料

first

public DFList<T> first(int n)

取前N个

参数:

n -

返回:

first

public T first()

last

public DFList<T> last(int n)

取后N个

参数:

n -

返回:

sortDesc

public DFList<T> sortDesc(Comparator<T> comparator)

sortAsc

public DFList<T> sortAsc(Comparator<T> comparator)

build

public List<T> build()

toMap

public <K> Map<K,T> toMap(java.util.function.Function<T,K> function)

toMap

public <K,V> Map<K,V> toMap(java.util.function.Function<T,K> function,
                                        java.util.function.Function<T,V> function2)

toSDFrame

public SDFrame<T> toSDFrame()

toJDFrame

public JDFrame<T> toJDFrame()