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jAvA获取mAp中值最小的

import java.util.Arrays;import java.util.Collection;import java.util.HashMap;import java.util.Map;import java.util.Set;public class MinMapDemo { public static void main(String[] args) { Map map = new HashMap(); map.put(1, 8); m...

public static void main(String[] args) { Map map = new HashMap(); map.put("key1", "value1"); map.put("key2", "value2"); map.put("key3", "value3"); Set keySet = map.keySet(); int i = map.size()-1; Map mapKey = new HashMap(); Map...

public class Testing { public static void main(String[] args) { HashMap map = new HashMap(); ValueComparator bvc = new ValueComparator(map); TreeMap sorted_map = new TreeMap(bvc); map.put("A",99.5); map.put("B",67.4); map.put("...

Map map= new HashMap(); //给map中放入值; map.put(“1”,张三); map.put(“2”,“李四”); //现在map中就有两个值了; //1.获取张三的值; map.get("1"); //2.获取李四的值; map.get("2");

package image;import java.util.Collection;import java.util.Iterator;import java.util.LinkedHashMap;import java.util.Set;public class ThreadTest{public static void main ( String[] args ){LinkedHashMap map = new LinkedHashMap ();...

Map map = new HashMap(); map.put("1", "value1"); map.put("2", "value2"); map.put("3", "value3"); //第一种:普遍使用,二次取值 System.out.println("通过Map.keySet遍历key和value:"); for (String key : map.keySet()) { System.out.pr...

//两种方法,有问题,给我发百度消息 public static void main(String[] args){ Map map = new HashMap(); map.put("id1", "wang"); map.put("id2", "sheng"); //方法一 Set set = map.keySet(); for (String s:set) { System.out.println(s+","...

map迭代,需要使用map的key,问度娘后记录使用方法如下,希望更多人能学习到. public class MyUtil1 { public static void iteratorMap1(Map m) { Set set=m.keySet();//用接口实例接口 Iterator iter = set.iterator(); while (iter.hasNext()) {/...

import java.util.LinkedHashMap; import java.util.LinkedList; import java.util.List; import java.util.Map; import javax.swing.JFrame; public class MapTest extends JFrame { public static void main(String[] args) { Map map = new L...

Map有个values()方法 public static void main(String[] args) { Map map = new HashMap(); //定义Map集合对象 map.put("apple", "新鲜的苹果"); //向集合中添加对象 map.put("computer", "配置优良的计算机"); map.put("book", "堆积成山的图书...

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