* 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: ...
This method takes as input a HashMap where the values are Comparable. The method returns an ArrayList containing all the keys in the map, sorted in descending order based on the values they map to. The time complexity of slowSort is O(n2), where nis the number of pairs in the map. ...
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....
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...
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...
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"...
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...