import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.Map.Entry; public class CeShi { public static void main(String[] args) { Map<String,String> map=new HashMap<String,String>(); map.put("1", "张三"); map.put("2", "李四"); map.put("3", "王五"); System.out.println("方法一:"); Iterator iterator=map.entrySet().iterator(); while(iterator.hasNext()){ Map.Entry<String, String> entry= (Entry<String, String>) iterator.next(); System.out.println("key:"+entry.getKey()+" value"+entry.getValue()); } System.out.println("方法二:"); for (Map.Entry<String, String> m : map.entrySet()) { System.out.println("key:"+m.getKey()+" value"+m.getValue()); } } }
遍历map的两种方式
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转载自blog.csdn.net/qq_39723363/article/details/80334681
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