类的使用
org.springframework.util.comparator.NullSafeComparator
使用NullSafeComparator的程序包 程序包 说明 org.springframework.util.comparator Useful genericjava.util.Comparatorimplementations, such as an invertible comparator and a compound comparator.org.springframework.util.comparator中NullSafeComparator的使用
声明为NullSafeComparator的org.springframework.util.comparator中的字段 修饰符和类型 字段 说明 static NullSafeComparatorNullSafeComparator. NULLS_HIGHA shared default instance of this comparator, treating nulls higher than non-null objects.static NullSafeComparatorNullSafeComparator. NULLS_LOWA shared default instance of this comparator, treating nulls lower than non-null objects.