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Added in API level 24

Calendar.WeekData

public static final class Calendar.WeekData
extends Object

java.lang.Object
   ↳ android.icu.util.Calendar.WeekData


用于访问CLDR周末数据的简单,不可变的类结构类。

Summary

Fields

public final int firstDayOfWeek

一周的第一天,其中1 = SUNDAY和7 = SATURDAY

public final int minimalDaysInFirstWeek

第一周的最少天数

public final int weekendCease

停止的一天,其中1 = SUNDAY和7 = SATURDAY

public final int weekendCeaseMillis

停止在毫秒期间停止的时间。

public final int weekendOnset

发病日,其中1 = SUNDAY和7 = SATURDAY

public final int weekendOnsetMillis

在发病当天以millis开始的时间

Public constructors

Calendar.WeekData(int fdow, int mdifw, int weekendOnset, int weekendOnsetMillis, int weekendCease, int weekendCeaseMillis)

构造函数

Public methods

boolean equals(Object other)

指示其他某个对象是否“等于”这一个。

int hashCode()

返回对象的哈希码值。

String toString()

返回对象的字符串表示形式。

Inherited methods

From class java.lang.Object

Fields

firstDayOfWeek

Added in API level 24
int firstDayOfWeek

一周的第一天,其中1 = SUNDAY和7 = SATURDAY

minimalDaysInFirstWeek

Added in API level 24
int minimalDaysInFirstWeek

第一周的最少天数

weekendCease

Added in API level 24
int weekendCease

停止的一天,其中1 = SUNDAY和7 = SATURDAY

weekendCeaseMillis

Added in API level 24
int weekendCeaseMillis

停止在毫秒期间停止的时间。 独家,所以最大是24:00:00.000。 请注意,这将在第二天00:00格式化。

weekendOnset

Added in API level 24
int weekendOnset

发病日,其中1 = SUNDAY和7 = SATURDAY

weekendOnsetMillis

Added in API level 24
int weekendOnsetMillis

在发病当天以millis开始的时间

Public constructors

Calendar.WeekData

Added in API level 24
Calendar.WeekData (int fdow, 
                int mdifw, 
                int weekendOnset, 
                int weekendOnsetMillis, 
                int weekendCease, 
                int weekendCeaseMillis)

构造函数

Parameters
fdow int: the first day of the week, where 1 = SUNDAY and 7 = SATURDAY
mdifw int: the minimal number of days in the first week
weekendOnset int: the onset day, where 1 = Sunday and 7 = Saturday
weekendOnsetMillis int: the onset time in millis during the onset day
weekendCease int: the cease day, where 1 = Sunday and 7 = Saturday
weekendCeaseMillis int: the cease time in millis during the cease day.

Public methods

equals

Added in API level 24
boolean equals (Object other)

指示其他某个对象是否“等于”这一个。

equals方法在非空对象引用上实现等价关系:

  • It is reflexive: for any non-null reference value x, x.equals(x) should return true.
  • It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
  • It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
  • For any non-null reference value x, x.equals(null) should return false.

equals方法Object实现了对象上最可能的等价关系; 也就是说,对于任何非空参考值xy ,当且仅当xy引用同一对象( x == y的值为true )时,此方法返回true

请注意,无论何时覆盖此方法,通常都需要覆盖 hashCode方法,以便维护 hashCode方法的一般合同,该方法声明相等对象必须具有相同的散列代码。

Parameters
other Object: the reference object with which to compare.
Returns
boolean true if this object is the same as the obj argument; false otherwise.

hashCode

Added in API level 24
int hashCode ()

返回对象的哈希码值。 为了散列表的好处而支持该方法,例如由HashMap提供的HashMap

hashCode的总合同是:

  • Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
  • If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result.
  • It is not required that if two objects are unequal according to the equals(java.lang.Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.

尽可能合理实用,由类Object定义的hashCode方法确实为不同的对象返回不同的整数。 (这通常通过将对象的内部地址转换为整数来实现,但Java TM编程语言不需要此实现技术。)

Returns
int a hash code value for this object.

toString

Added in API level 24
String toString ()

返回对象的字符串表示形式。 通常, toString方法将返回一个“文本地表示”此对象的字符串。 结果应该是一个简洁但内容丰富的表述,对于一个人来说很容易阅读。 建议所有子类重写此方法。

toString类的方法Object返回一个字符串,其中包含对象为实例的类的名称,符号字符“ @ ”以及对象的哈希代码的无符号十六进制表示形式。 换句话说,这个方法返回一个字符串,其值等于:

 getClass().getName() + '@' + Integer.toHexString(hashCode())
 

Returns
String a string representation of the object.

Hooray!