1. What is the return type of a constructor? 2. Write Java statements to define a default constructor for a class named Clock. This class contains three integer and private data fields: hour, minute,...

1. What is the return type of a constructor?

2. Write Java statements to define a default constructor for a class named Clock. This class contains three integer and private data fields: hour, minute, and second.

3. Write a Java statement to create a new object named wallClock using the default constructor of the class Clock, as described.