Object Oriented Programming Through Java by Pearson

4.20 Simple IO and Arrays and String Vectors

17. System.out.println(“Modifying few elements of String”);

18. stg.setCharAt(0,’o’);

19. stg.setCharAt(1,’o’);

20. stg.setCharAt(2,’p’);

21. stg.setCharAt(3,’s’);

22. System.out.println(“String after modifications”);

23. System.out.println(stg);

24. System.out.println(“Appending String”);

25. stg.append(“ Languages”);

26. System.out.println(“String after appending”);

27. System.out.println(stg);

28. }//end of main

29. }//end of class StringBufferDemo

Output: Given String : C++ & Java

Printing Given String character by character

C + + & J a v a

Inserting a string :OOPS in: at the begining

String after ...