java enummapEnumMap类的size()方法 (EnumMap Class size() method) size() method is available in java.util package. size()方法在java.util包中可用。 size() method is used to return the size of this enum map (i.e. it returns the number of key-value pairs exists…
java reader读取器类的reset()方法 (Reader Class reset() method) reset() method is available in java.io package. reset()方法在java.io包中可用。 reset() method is used to reset this stream to the mark set by mark() method most recently. reset()方法用于将此流重…
日历类的add()方法 (Calendar Class add() method) add() method is available in java.util package. add()方法在java.util包中可用。 add() method is used to perform add or subtract the given amount of time to the given cal_fi (calendar field). add()方法用于对指定…
java bitsetBitSet类clone()方法 (BitSet Class clone() method) clone() method is available in java.util package. clone()方法在java.util包中可用。 clone() method is used to clone this Bitset or in other words, this method is used to create a Bitset that is si…