How to deal with big strings and limited memory

Question

I have a file from which I read data. All the text from this file is stored in a String variable (a very big variable). Then in another part of my app I want to walk through thi

Answer 1

If you can loosen your requirements a bit you could implement a java.lang.CharSequence backed by your file.

The CharSequence is supported many places in the JDK (A String is a CharSequence) . So this is a good alternative to a Reader-based implementation.