java - For loop cannot convert from int to double[] -

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for reading lot of lines i've made loop start reading line 0 way line 61166. if try compile file cannot convert int double[] though variables not integers. have done wrong? tbh beginner if it's java. school exercise

int m = 61166;                                                int[] l = new int[m];                                          double[] p = new double[m] ;                                     double[] q = new double[m];                                      (p = 0; p < m ; p++);

the issue trying use array loop index/incrementer. in theory, this:

    int m = 61166;                                                    int[] l = new int[m];                                              double[] p = new double[m] ;                                         double[] q = new double[m];                                          (p[0] = 0; p[0] < m ; p[0]++);

but don't think make program run way want too. think might want this:

    int m = 61166;                                                    int[] l = new int[m];                                              double[] p = new double[m] ;                                         double[] q = new double[m];                                          (int index = 0; index < m ; index++){         //perform operations on loop         p[index] = //something         q[index] = //etc...     }

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