使用lastEntry()
TreeMap中的方法检索最后一个条目。
创建一个TreeMap并添加一些元素-
TreeMap<Integer,String> m = new TreeMap<Integer,String>(); m.put(1,"India"); m.put(2,"US"); m.put(3,"Australia"); m.put(4,"Netherlands"); m.put(5,"Canada");
现在,检索最后一个条目-
m.lastEntry()
以下是在TreeMap中检索最后一个条目的示例-
import java.util.*; public class Demo { public static void main(String args[]) { TreeMap<Integer,String> m = new TreeMap<Integer,String>(); m.put(1,"India"); m.put(2,"US"); m.put(3,"Australia"); m.put(4,"Netherlands"); m.put(5,"Canada"); for(Map.Entry e:m.entrySet()) { System.out.println(e.getKey()+" "+e.getValue()); } System.out.println("Last Entry in Map is "+m.lastEntry()); } }
输出结果
1 India 2 US 3 Australia 4 Netherlands 5 Canada Last Entry in Map is 5=Canada