Chapter 10.11, Problem 10.11.6CP

Suppose s1 and s2 are given as fot tows:

StringBuilder s1 = new StringBuilder(“Java”);

StringBuilder s2 = new StringBuilder(“HTML”);

Show the value of s1 after each of the following statements. Assume the statements are independent.

a.    s1.append(“ is fun”);

b.    s1.append(s2);

c.    s1.insert(2, “is fun”);

d.    s1.insert(1, s2);

e.    s1.charAt(2);

f.    s1.length();

g.    s1.deleteCharAt(3);

h.    s1.delete(1, 3);

i.    s1.reverse();

j.    s1.replace(1, 3, “Computer”);

k.    s1.substring(1, 3);

l.    s1 .substring(2);