Java Program: Using Scanner class, Arithmetic Operators, Variables, to find the Area of a Circle.

To write Java programs to perform simple computations To obtain input from the console using the Scanner class In the previous lecture, we learned how to create, compile, and run a Java program. Starting from this lecture, we will learn how to solve practical problems programmatically. Through these problems, we will learn Java primitive data types and related subjects, such as variables, constants, data types, operators, expressions, and input and output