Scala读取文件存为多个value的HashMap

最新推荐文章于 2023-12-05 11:01:43 发布

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最新推荐文章于 2023-12-05 11:01:43 发布 · 4.2k 阅读

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#scala

hashmap类型相对于List的遍历，性能要高.
这里的value是一个集合，Set（T），即一个key对应多个value（自定义类型），将所有的value存到一个Set列表中。

（1）文件格式如下：

1,-0.0082,600827,0.0012509216,0.0011849102,0.0007248589,0.0006596185,2128383363389,2918002260673,180
1,-0.0082,601006,0.0059980613,0.0048587196,0.0069850158,0.0054357858,2128383363389,2918002260673,180
1,-0.0082,600089,0.0018299728,0.0012656615,0.0014932105,0.0009921514,2128383363389,2918002260673,180
1,-0.0082,600018,0.007843671,0.0043362632,0.0106912975,0.0056781999,2128383363389,2918002260673,180
1,-0.0082,600023,0.0010337213,0.0038449167,0.0014036944,0.005015798,2128383363389,2918002260673,180
1,-0.0082,600030,0.010373549,0.0097418817,0.0046113223,0.0041603031,2128383363389,2918002260673,180
1,-0.0082,600547,0.0036994182,0.0030387035,0.0006686166,0.0005276137,2128383363389,2918002260673,180
1,-0.0082,600807,0.0003932796,0.000502369,0.0002312411,0.0002837726,2128383363389,2918002260673,180
1,-0.0082,600999,0.0053901725,0.0044274897,0.0022566892,0.0017807816,2128383363389,2918002260673,180
1,-0.0082,601939,0.0032129706,0.0685721193,0.0045074857,0.0924185561,2128383363389,2918002260673,180
1,-0.0082,600221,0.0024830579,0.0020583051,0.0055497822,0.0044195988,2128383363389,2918002260673,180
1,-0.0082,600037,0.0012905631,0.001060069,0.0005489387,0.0004331744,2128383363389,2918002260673,180
1,-0.0082,600773,0.0007090877,0.0003281717,0.0003256686,0.0001447975,2128383363389,2918002260673,180
1,-0.0082,600332,0.0016582522,0.0021203701,0.000486914,0.0005981324,2128383363389,2918002260673,180
1,-0.0082,601258,0.0011422247,0.0006577258,0.0030446176,0.0016842636,2128383363389,2918002260673,180
1,-0.0082,601377,0.0033138541,0.002722001,0.0031463654,0.0024828361,2128383363389,2918002260673,180
1,-0.0082,601668,0.0120818193,0.0092726995,0.0140698293,0.0103740105,2128383363389,2918002260673,180
1,-0.0082,600406,0.0022478384,0.0019816549,0.0010363516,0.0008777162,2128383363389,2918002260673,180
1,-0.0082,600645,0.0007072432,0.0006492119,0.000154475,0.000136226,2128383363389,2918002260673,180
2,-0.0087,600010,0.0039733688,0.0067364596,0.0097388882,0.0161890824,1616408755688,2032554928574,50
2,-0.0087,600795,0.0053911551,0.0045668931,0.0121568247,0.010097159,1616408755688,2032554928574,50
2,-0.0087,600048,0.0095833311,0.0083397924,0.0066560583