Question 1:

Create a java program that will take an input from the keyboard to add, subtract, multiply and divide two numbers of type double

Question 2:

Create a program that will call a dumb method, a clever method and a smart method.

Explain the differences between, dumb method, clever method and a smart method.

Question 3:

Create a program to demonstrate the differences between different types of access modifiers in java (public, protected, default, private)

Explain the visibility of each modifier.

Question 4:

Define the following terms:

Class

Object

Method

Local variable

Instance variable

Variable scope

Primitive datatype

User-defined datatypes

Pass by value vs. pass by reference

Syntax error

Logic error

Lastly, why java is popular?

Thank you.