質問編集履歴
1
調べたことを反映
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File without changes
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body
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@@ -5,26 +5,11 @@
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5
5
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最終的にはgetWeather()のようなメソッドをつくり
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使いたいです
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7
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-
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###発生している問題・エラーメッセージ
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-
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```ここに言語を入力
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11
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```
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-
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-
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public class gotenki {
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Charset charset;
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String Weather;
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public String getWeather() {
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return Weather;
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}
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public gotenki() {
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this.charset = StandardCharsets.UTF_8;
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}
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-
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9
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public void tenki(String location, String area) throws MalformedURLException, IOException {
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10
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this.area = area;
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26
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URL url=new URL("http://weather.livedoor.com/forecast/webservice/json/v1?city="+location);
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11
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URL url = new URL("http://weather.livedoor.com/forecast/webservice/json/v1?city=" + location);
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HttpURLConnection con = (HttpURLConnection)url.openConnection();
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HttpURLConnection con = (HttpURLConnection) url.openConnection();
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con.setRequestMethod("GET");
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con.connect();
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String json_st = "";
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@@ -32,18 +17,25 @@
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String line = "";
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while ((line = reader.readLine()) != null) {
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json_st += line;
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}
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-
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System.out.println(json_st);
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}
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ObjectMapper ob=new ObjectMapper();
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ObjectMapper ob = new ObjectMapper();
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JsonNode json=ob.readTree(json_st);
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JsonNode json = ob.readTree(json_st);
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Weather=json.
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Weather = json.get("forecasts").get("0").get(telop).textValue();
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System.out.println(Weather);
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-
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-
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}
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System.out.println(ob);
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}
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```
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```
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###発生している問題・エラーメッセージ
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32
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nullと返される
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```
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+
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47
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###試したこと
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48
40
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jacksonの使い方を調べたがパースはどうするのかということを見つけられなかった
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49
41
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