ArrayList > android接受变量(ArrayList> android take variables)
例如,我如何使用标记URL获取所有变量?
这种变量: ArrayList<HashMap<String, String>> ?
How can i take all variables with tag URL for example?
Of this kind of variable: ArrayList<HashMap<String, String>>?
最满意答案
这是hashmap中log all键和值的示例
ArrayList<HashMap<String, String>> arrayList = new ArrayList<HashMap<String,String>>(); HashMap<String, String> h1 = new HashMap<String, String>(); h1.put("h1_key_1", "h1_value_1"); h1.put("h1_key_2", "h1_value_2"); arrayList.add(h1); HashMap<String, String> h2 = new HashMap<String, String>(); h2.put("h2_key_1", "h2_value_1"); h2.put("h2_key_2", "h2_value_2"); arrayList.add(h2); for (HashMap<String, String> hashMap : arrayList) { System.out.println(hashMap.keySet()); for (String key : hashMap.keySet()) { System.out.println(hashMap.get(key)); } }This is example for log all key and value in hashmap
ArrayList<HashMap<String, String>> arrayList = new ArrayList<HashMap<String,String>>(); HashMap<String, String> h1 = new HashMap<String, String>(); h1.put("h1_key_1", "h1_value_1"); h1.put("h1_key_2", "h1_value_2"); arrayList.add(h1); HashMap<String, String> h2 = new HashMap<String, String>(); h2.put("h2_key_1", "h2_value_1"); h2.put("h2_key_2", "h2_value_2"); arrayList.add(h2); for (HashMap<String, String> hashMap : arrayList) { System.out.println(hashMap.keySet()); for (String key : hashMap.keySet()) { System.out.println(hashMap.get(key)); } }更多推荐
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