分类：降序排列

2020
10-20

Java TreeMap升序|降序排列和按照value进行排序的案例

TreeMap升序|降序排列importjava.util.Comparator;importjava.util.TreeMap;publicclassMain{publicstaticvoidmain(String[]args){TreeMap<Integer,Integer>map1=newTreeMap<Integer,Integer>();//默认的TreeMap升序排列TreeMap<Integer,Integer>map2=newTreeMap<Integer,Integer>(newComparator<Integer>(){/**intcompare(Objecto1,Objecto2)返回一个基本类型的整型，... 继续阅读 >