程序包 ohos.utils

类 Pair<F,S>

java.lang.Object

ohos.utils.Pair<F,S>

public class Pair<F,S>
extends Object

Provides a data container that saves any two objects as one object.

By packing two parameters into one, Pair container makes parameter transfer easier.

从以下版本开始:

1

字段概要

字段

限定符和类型	字段	说明
F	f	Indicates first object of the pair.
S	s	Indicates second object of the pair.

构造器概要

构造器

构造器	说明
Pair(F f, S s)	Constructs a Pair object using objects f and s.

方法概要

限定符和类型	方法	说明
static <F,S> Pair<F,S>	create(F f, S s)	Creates a Pair object using objects f and s.
boolean	equals(Object obj)	Checks whether the current Pair object is the same as a specified Object.
int	hashCode()	Obtains the hash value of the current Pair object.
String	toString()	Obtains a character string that contains all the values of a Pair object.

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

f

public final F f

Indicates first object of the pair. .

从以下版本开始:

1

s

public final S s

Indicates second object of the pair.

从以下版本开始:

1

构造器详细资料

Pair

public Pair(F f,
            S s)

Constructs a Pair object using objects f and s.

参数:

f - Indicates the first object used to construct the Pair object.

s - Indicates the second object used to construct the Pair object.

方法详细资料

create

public static <F,S> Pair<F,S> create(F f,
                                     S s)

Creates a Pair object using objects f and s.

参数:

f - Indicates the first object used to create the Pair object.

s - Indicates the second object used to create the Pair object.

返回:

Returns the created Pair object.

equals

public boolean equals(Object obj)

Checks whether the current Pair object is the same as a specified Object.

覆盖:

equals 在类中 Object

参数:

obj - Indicates the Object to be compared with the current Pair object.

返回:

Returns true if the current Pair object is the same as the specified Object; returns false otherwise.

另请参阅:

Object.hashCode(), HashMap

hashCode

public int hashCode()

Obtains the hash value of the current Pair object.

The System.identityHashCode method is used to calculate the hash value of the current Pair object.

覆盖:

hashCode 在类中 Object

返回:

Returns the hash value of the current Pair object.

另请参阅:

Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)

toString

public String toString()

Obtains a character string that contains all the values of a Pair object.

The character string format is "Pair{1: "one"}".

覆盖:

toString 在类中 Object

返回:

Returns the character string that contains all the values of the Pair object.