String Interview Questions

 1.     Define   String class   and data type.

2.     How to compare two string in java?

3.     How we reverse a given String?

4.     How to create String in Java?

5.     How to create sub string?

6.     What is difference between   String, String Buffer, and String Builder?

7.     Why String is immutable and final in Java?   Answer 

8.     How to reverse a String Array?

9.     How to change the Upper case to lower case of a String?

10.   How to sort a   String Array?

11.   How to concat the   two string?

12.   What is difference between length and length ()?

13.   How to create String Array to String?

14    what is String tokenizer?

15    what is   difference between String Buffer, String Builder?

 17   How   to reverse the array of String?

18    How to create   our   own immutable class?

19    How to convert String into integer?

20   How sort array of String?