编辑代码

import java.util.Map;
import java.util.HashMap;
 class Demo14{
    public static void main (String[] args){
Map<String,String>map =new HashMap<>(); 
map.put("name","--哥");
map.put("age","30" );
map.put("sex","男");
Set<Entry<String,String>> entrySet=map.entrySet();
Iterator<Map.Entry<String,String>>iterator =entrySet.iterator ();
while(iterator.hasNext()){
    Map.Entry<String,String>entry =iterator.next();
    String key =entry.getKey();
    String value=entry.getValue();
    System.out.println(key+"="+value);

}
for(Map.Entry<String,Stirng>entry:map.entrySet()){
    String key=entry.getKey();
    String value=entry.getValue();
System.out.println(key + "=" + value);
}
  }
}