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ohhhhhhhhh, I got it. thank you very much.

Best wishes

but why it works with for loop without saving in memory. the code below works properly.
try {
for(int j =0; j<250; j++){
data.add(mybuffer.readLine());...

I am using this code to read a file, when I do it with a for loop it works properly but when I use while loop it reads the first line, leaves the second line, reads the third line, and...


try {...