Chapter 9.2, Problem 9SCP

Program Plan Intro

Find output for the given statements

Program plan:

• Create a class “Car”,
  • Define the method “m1()” that prints the string “car 1”.
  • Define the method “m2()” that prints the string “car 2”.
  • Define the method “toString()” that returns the string “vroom”.
• Create a class “Truck” that extends the super class “Car”,
  • Define the method “m1()”,
    • Print the string “truck 1”.
      • Define the method “m1()”,
        • Call the super class method “m2()”.
      • Define the method “toString()”,
        • Return the concatenated string which is obtained by calling super class method “toString()”.
      • Define the method “main()”,
        • Create the object for the class “Truck”.
        • Print the information about the object of “Truck” class.
        • Call the method “m1()” using the object of “Truck” class.
        • Call the method “m2()” using the object of “Truck” class.