### Question:
WxMaCodeVersionDistribution { public static WxMaCodeVersionDistribution fromJson(String json) { return WxMaGsonBuilder.create().fromJson(json, WxMaCodeVersionDistribution.class); }  static WxMaCodeVersionDistribution fromJson(String json);  }### Answer:
@Test public void testFromJson() { String json = "{\"errcode\":0,\"errmsg\":\"ok\",\"now_version\":\"1.2.0\",\"uv_info\":{\"items\":[{\"version\":\"0.0.0\",\"percentage\":0},{\"version\":\"1.0.0\",\"percentage\":0},{\"version\":\"1.0.1\",\"percentage\":0},{\"version\":\"1.1.0\",\"percentage\":0},{\"version\":\"1.1.1\",\"percentage\":0},{\"version\":\"1.2.0\",\"percentage\":0},{\"version\":\"1.2.1\",\"percentage\":0},{\"version\":\"1.2.2\",\"percentage\":0},{\"version\":\"1.2.3\",\"percentage\":0},{\"version\":\"1.2.4\",\"percentage\":0},{\"version\":\"1.2.5\",\"percentage\":0},{\"version\":\"1.2.6\",\"percentage\":0},{\"version\":\"1.3.0\",\"percentage\":0},{\"version\":\"1.4.0\",\"percentage\":0},{\"version\":\"1.4.1\",\"percentage\":0},{\"version\":\"1.4.2\",\"percentage\":0},{\"version\":\"1.4.3\",\"percentage\":0},{\"version\":\"1.4.4\",\"percentage\":0},{\"version\":\"1.5.0\",\"percentage\":0},{\"version\":\"1.5.1\",\"percentage\":0},{\"version\":\"1.5.2\",\"percentage\":0},{\"version\":\"1.5.3\",\"percentage\":0},{\"version\":\"1.5.4\",\"percentage\":0},{\"version\":\"1.5.5\",\"percentage\":0},{\"version\":\"1.5.6\",\"percentage\":0},{\"version\":\"1.5.7\",\"percentage\":0},{\"version\":\"1.5.8\",\"percentage\":0},{\"version\":\"1.6.0\",\"percentage\":0.0132},{\"version\":\"1.6.1\",\"percentage\":0.0132},{\"version\":\"1.6.2\",\"percentage\":0.0132},{\"version\":\"1.6.3\",\"percentage\":0.0132},{\"version\":\"1.6.4\",\"percentage\":0.0132},{\"version\":\"1.6.5\",\"percentage\":0.0132},{\"version\":\"1.6.6\",\"percentage\":0.0132},{\"version\":\"1.6.7\",\"percentage\":0.1711},{\"version\":\"1.6.8\",\"percentage\":0.1711},{\"version\":\"1.7.0\",\"percentage\":0.1842},{\"version\":\"1.7.1\",\"percentage\":0.25},{\"version\":\"1.7.2\",\"percentage\":0.5263},{\"version\":\"1.7.3\",\"percentage\":0.5263},{\"version\":\"1.7.4\",\"percentage\":0.6711}]}}\n"; System.out.println(WxMaCodeVersionDistribution.fromJson(json)); }