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

You must review your algorithm for dealing woth large data. You must process chunk-by-chank this data, or use random file access without storing data in memory. For example you can use StringTokenizer or StreamTokenizer as said @Zombies. You can see parser-lexer techniques: when parser parses some expression it asks to lexer to read next lexem(tokens), but doesn't reads whole input stream at once.