【Java】遍历Map<String,String>
Map<String, String> map = new HashMap<>(); map.put("key1", "value1"); map.put("key2", "value2"); map.put("key3", "value3"); //通过Map.entrySet遍历key和value for (Map.Entry<String, String> entry : map.entrySet()) { System.out.println("key= " + entry.getKey() + " and value= " + entry.getValue()); } //通过Map.keySet遍历key和value for (String key : map.keySet()) { System.out.println("key= "+ key + " and value= " + map.get(key)); } //通过Map.values()遍历所有的value,但不能遍历key for (String v : map.values()) { System.out.println("value= " + v); }