Self-Review Exercises

State whether each of the following is true or false. If false, explain why.

1. When String objects are compared using ==, the result is true if the Strings contain the same values.
2. A String can be modified after it is created.

For each of the following, write a single statement that performs the indicated task:

1. Compare the string in s1 to the string in s2 for equality of contents.
2. Append the string s2 to the string s1, using +=.
3. Determine the length of the string in s1.