1- Scanner, Printer,Hard Disk, computer, laptop, keyboard, mouse, processor, personal computer analysis the class and draw relationship diagram

Q2:

Protected fields

1- create a class person -person name -

person ID - person age

2- Add a method display()

3- Create 2 subclasse lecture - teacher

4- Use super keyword to pass the

parameters from From subclass to super class constructor

5- override the display () method in subclass lecture - teachers to display the fields to superclass

Q3:

Fruit-apple - orange - green apple -red

apple

Apple-orange- subclass of fruits

1-Draw inheritance hierarchy

2- which is legal - define flat - dynamic

types

Q4:

1- create class Car- Bus that implement

interface

2- add gear and speed in car - bus

3- change gear () method sets the gear

fuld by new gear

4- increase Speed() method increase the speed by newSpeed value

i want to solve the questions using bluej software