Question

I need to do lot of following code in program

int index=temp.lastIndexOf("\\n== External links ==\\");
        System.out.println( temp.substring(index))

Indexof,substring,contains so these manipulations will be better in stringbuffer or string?

If so why can you elaborate me?

Answer 1

There’s no contains or StringBuffer on StringBuilder.
The indexOf and substring are delegated to String itself.
StringBuffer and StringBuilder are faster for concatenation, but for looking into the String: take the String class itself