Length = Integer.parseInt(br. Then the next () will be used to display the message - "Area of circle:" along with the calculated output which is stored in the variable ar.This program to find the area of rectangle Formula: Area of a rectangle is length * width In this program we need to get the length and width from the user and we shall display after getting the inputs Example: Length=5 Width=5 Area of Rectangle is 25īufferedReader br = new BufferedReader(new InputStreamReader(System.in)) Then calculating the result value of multiplication of pie and rad * rad will get assigned to ar variable. Then the statement rad = s.nextInt() will be used to fetch the value from keyboard, and parse it to integer from string and store to variable rad. Then () will be used to display a message - " Enter radius of circle:". Also define an object name s of Scanner class using which the value will be fetched from input device. Algorithm: Start Declare three different classes for rectangle, square, and circle. Next declare an integer type variable rad which will hold the radius of the circle and two double type variable pie and ar, where pie will store the decimal value which is 3.14 and ar will be used to store the calculated area of circle. Method 1: Java Program to Find Area of Square, Rectangle, and Circle using Method Overloading In this program, we will see how to find the area of a square, rectangle, and circle using Method Overloading. All Java program needs one main() function from where it starts executing program. Inside the class define the main() function. We will use the below tools to develop the program. Before writing the program we will analyze the. So, first you have to import the util package of Java so that you can use the Scanner class in this program which will help programmers to fetch input from users. On this page, we will write a java program to calculate the area of the rectangle. This program is used to calculate the area of a circle where the radius will be fetched from user. This Java program is used to calculate the area of a circle. Java String Programs Java Program to Get User Input and Print on Screen Java Program to Compare Two Strings Java Program to Remove White Spaces Java Program to Concatenate Two Strings Using concat Method Java Program to Find Duplicate Characters in a String Java Program to Convert String to ArrayList Java Program to Check Whether Given String is a Palindrome Java Program to Convert String to Int Java Program to Remove All Spaces From Given String Java Program to Find ASCII Value of a Character C Language Fundamentals Java Program to Compare Between Two Dates Java Program to Demonstrate Switch Case Java Number Programs Java Program to Generate Random Numbers Java Program to Swapping Two Numbers Using a Temporary Variable Java Program to Perform Addition, Subtraction, Multiplication and Division Java Program to Calculate Simple and Compound Interest Java Program to Find Largest and Smallest Number in an Array Java Program to Find Reverse Number Java Program to Find Factorial Java Program to Generate the Fibonacci Series Java Program to Swapping Two Numbers without Using a Temporary Variable Java Program to Print Prime Numbers Java Program to Print Invert Triangle Java Program to Toss a Coin Java Program to Find odd or even Numbers in an Array Java Program to Calculate the Area of a Circle Calculate the Power of Any Number in the Java Program Java Program to Add Two Integers Java Program to Check Even or Odd Number Java Program to Check Leap Year Java Program to Validate Armstrong Number Java Function Programs Java Program to Call Method in Same Class Java Program to Find Factorial of a Number Using Recursion Java Program to Reverse a Sentence Using Recursion Other Java Programs Reading Content in Java from URL
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