Section 10.11.2 Check Point Questions1 question 

10.11.2.1
Suppose that s1 = new StringBuilder("Java"). Show the value of s1 after each of the following statements. Assume that the statements are independent.
a.	s1.charAt(2);
b.	s1.length();
c.	s1.substring(1, 3);
d.	s1.substring(2);