Java Map定义的方法
package com.abin.map.test;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import java.util.Set;public class MapTestOne {public static Map<String,String> addMap(){Map<String,String> map=new HashMap<String,String>();for(int i=0;i<10;i++){String name="name"+i;if(!map.containsKey(name)){String value="john"+i;map.put(name, value);}String sex="sex"+i;if(!map.containsKey(sex)){String value="female"+i;map.put(sex, value);}}return map;}public static void main(String[] args) {Map<String,String> map=new HashMap<String,String>();map=new MapTestOne().addMap();Iterator it=map.keySet().iterator();Object key=null;Object value=null;while(it.hasNext()){key=it.next();value=map.get(key);System.out.println(key+":"+value);}}}package com.abin.map.test;import java.util.HashMap;import java.util.Iterator;import java.util.Map;import java.util.Set;public class MapTestOne {public static Map<String,String> addMap(){Map<String,String> map=new HashMap<String,String>();for(int i=0;i<10;i++){String name="name"+i;if(!map.containsKey(name)){String value="john"+i;map.put(name, value);}String sex="sex"+i;if(!map.containsKey(sex)){String value="female"+i;map.put(sex, value);}}return map;}public static void main(String[] args) {Map<String,String> map=new HashMap<String,String>();map=new MapTestOne().addMap();Set<String> keys = map.keySet();Iterator<String> it = keys.iterator();while(it.hasNext()) {String key = it.next();System.out.println(key + "-->" + map.get(key));}}}