create-array-inside-loop.md

class program {

public static void main(String[] args) {

int n = 15;

int m = 5;

String[][] arrayOfArrays = new String[n][];

for(int i=0;i<n;i++) {

arrayOfArrays[i] = new String[m];

System.out.println(arrayOfArrays[i]);

}

}

}

https://stackoverflow.com/questions/1277880/how-can-i-get-the-count-of-line-in-a-file-in-an-efficient-way/1277904