java.lang.ArrayIndexOutOfBoundsException:4

java.lang.ArrayIndexOutOfBoundsException: 4

我正在努力将制表符分隔的文本文件中的值提取到 groovy 中的列表中。但是我运行变成了ArrayIndexOutOfBoundsException

代码

println("Reading File Contents")

def fullArray = new String[31721][4]
def availableArray = new String[1386][2]
def filteredFullArray = new String[1386][5]

String fileContents = new File('beliefs.txt').text
String availableContents = new File('available.txt').text

def count = 0

fileContents.eachLine { line ->

    String[] str
    str = line.split('\t')

    def subCount = 0
    for (subCount; subCount < str.length; subCount++) {
         fullArray[count][subCount] = str[subCount]
    }
    count++
}

beliefs.txt

1   Azerbaijan  hasOfficialLanguage Azerbaijani_language
2   Augustus    hasChild    Julia_the_Elder
3   Arthur_Aikin    isCitizenOf England
4   Arthur_Aikin    diedIn  London
5   Alexander_III_of_Russia isMarriedTo Maria_Feodorovna__Dagmar_of_Denmark_
6   Alexander_III_of_Russia hasChild    Nicholas_II_of_Russia
7   Alexander_III_of_Russia hasChild    Grand_Duke_Michael_Alexandrovich_of_Russia
8   Alexander_III_of_Russia hasChild    Grand_Duchess_Olga_Alexandrovna_of_Russia
9   Alexander_III_of_Russia hasChild    Grand_Duke_Alexander_Alexandrovich_of_Russia
10  Alexander_III_of_Russia hasChild    Grand_Duke_George_Alexandrovich_of_Russia
...
...
...
31719   Minqi_Li    isKnownFor  Chinese_New_Left
31720   Henry_Bates_Grubb   isKnownFor  Mount_Hope_Estate
31721   Thomas_Kuhn isKnownFor  Paradigm_shift  

运行 这给了我以下错误。

Caught: java.lang.ArrayIndexOutOfBoundsException: 4 java.lang.ArrayIndexOutOfBoundsException: 4 at extractBeliefs$_run_closure1.doCall(extractBeliefs.groovy:19) at extractBeliefs.run(extractBeliefs.groovy:12)

我知道出现上述错误的原因。但是由于我的数组没有超过最后一个索引,并且错误显示在 fileContents.eachLine { line -> 行,我无法找到哪里出错了。

如有任何建议,我们将不胜感激。

尝试使用 space

拆分
str = line.split('\s+')

而不是

str = line.split('\t')

更好的方法是先将所有 Multispace 或制表符替换为单个 space,然后再按单个 space.

拆分
line = line.replace("\s+/g", " ")
str = line.split('\s+')

您的初始错误来自这一行 (19):

fullArray[count][subCount] = str[subCount]

第 12 行只是在退出闭包时提升异常。这绝对表明您在一行上有一个额外的选项卡...出于调试目的,请尝试将该行打印到控制台,然后再尝试将其加载到数组中。这将帮助您确定哪一行有错误。