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* If multiple modes exist, it returns them in a list. */ public static List<Integer> modeArray(int[] arr) { int maxCount = 0; HashMap<Integer, Integer> frequencyMap = new HashMap<>(); for (int num : arr) { frequencyMap.put(num, frequencyMap.getOrDefault(num, 0) + 1); max...
Feign服务调用出现LinkedHashMap can not be cast to xxx 为什么会出现LinkedHashMap can not be cast to xxx feign底层基于http协议,而现在非常流行restful风格,并且现在大部分都采用json的数据格式进行交互,所以这里就会有一个问题,那就是格式问题。 先看看我的返回数据结构: 被调用方: 调用方: ...
We don't have Confluence installed - we did once upon a time on a trial basis but no longer. I'm not whether there's some sort of dangling reference to Confluence or a bug in the code somewhere. 2017-08-22 12:39:20,546 http-nio-8080-exec-69 ERROR alex 759x5521x...
I wrote atestShortestPathAG()method inTestRouter.javaas follows @TestpublicvoidtestShortestPathAG()throwsException{Map<String,Double>testParam=newHashMap<>();// end_lat=37.82769961829141, start_lon=-122.28525299251741,// start_lat=37.85193141952368, end_lon=-122.23869943366023testParam.put("end_lat"...
Another workaround would be to use a factory so you don't have to write deserializers for each record. package com.smeethes.server; import java.io.IOException; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; import java.util.HashMap; import com.google....
Having the data stores configured, we can finally configure and initialize a data integration engine: //Creates a new engine configuration to map data between entities in CSV and fixed-width data stores EngineConfiguration engineConfig = new EngineConfiguration(engineName, csvDataStore, fixedWidthDataSt...
Hi, this seems such a basic functionality that I must have missed something in the configuration of the XmlMapper. I am trying to parse something like this: <foo> <bars> <bar id="one">bar one</bar> <bar id="two">bar two</bar> <bar id="th...