Jul 28, 2022 · Given a radius of the circle, write a java program to calculate and display the area of the circle. (Take ∏=3.142) Example. Output: Area of circle is : 78.55. Input : radius= 8. Output: Area of circle is : 201.08.

Apr 16, 2025 · The following Java program to print the area of a circle has been written in five simple different ways, static method, using constructor, Interface, inheritance with sample outputs for each program. Table of contents: 5 Simple ways to print AOC

Jan 8, 2024 · In this quick tutorial, we’ll illustrate how to calculate the area of a circle in Java. We’ll be using the well-known math formula: r^2 * PI. 2. A Circle Area Calculation Method. Let’s first create a method that will perform the calculation: double area = radius * radius * Math.PI;

Sep 15, 2022 · In this tutorial, you will learn how to calculate area and circumference of circle in Java. We will see two programs, in the first program, the radius value is initialized in the program and in the second program, the radius value is entered by the user.

Write a Java Program to Find the Area of a Circle with an example. The area of a circle is the total number of square units inside the circle. The standard formula to calculate the area of a circle is A = πr².

Apr 7, 2025 · Modify the program to calculate the area and perimeter of a semicircle. Write a program to compare the areas of two circles given their radii. Calculate the surface area and volume of a sphere.

Develop a Java program to calculate the area of the circle. The area of the circle is given as ℼ*radius*radius. We will use Math.PI for value of the ℼ.

Jul 24, 2022 · Area of a circle can simply be evaluated using following formula. Time Complexity: O (log n) since using inbuilt Math.pow function. Auxiliary Space : O (1) Please refer complete article on Program to find area of a circle for more details!

Java Program to Calculate the Area of Circle. In this program, we will learn to calculate and display the area of a circle. To calculate the area of the circle we have to use a formula that is: (22*r*r)/7. Here “r” means the radius of the circle.

Write a Java program to find the area of a circle using the given radius. Area of circle is defined as pi*r*r where pi is a constant whose value is (22/7 or 3.142) and r is the radius of a circle. Formula to calculate the area of circle is: Area = pi*r*r