![]() I'm still very new and I don't know how to tackle issues/research like this to find out the right answer, so I would appreciate pointers. How would I need to re-write it, for it to take the shape + parameters and then print out the value of said input? Though this way, it always calculates Rectangles values as I'm directly calling the method on Rectangle. ("Your chosen shapes area is: " + shape) Shape = String.valueOf(rectangle.calculateArea()) I tried a simple Scanner input for now like this: Scanner keyboard = new Scanner(System.in) I already created setters and getters for the different shapes and tested that everything works, what I struggle with is how to implement the Scanner to accept the different Shape inputs. I now need it to accept user input to choose one of the three shapes, for it to accept user input for the parameters (length and width) and for it to then calculate it and after printing the correct result, to close the program. My program at the moment consists of a method called: calculateArea() which is used to calculate 3 different shapes area (a Rectangle, Circle and a Square). Java program to find Area of Rectangle Java programming Example, this program will read length and width from the user and calculate area of rectangle. 'm currently in the process of learning Java and I have been given a task to re-write my program. Here we share the two methods, sample method -1, and sample method-2 with online compiler and execution tool. There are maybe so many methods in order to write the java program to find the area of a rectangle. In this values for length and breadth of rectangle will be taken by the user. Java program to calculate the area of a rectangle. If we know the width and height of a rectangle, we can calculate the area of a rectangle using the formula: Area Width Height. ("Area of rectangle :"+area) Īrea of rectangle : 8.4 Method-2: Java Program to Find Area and Perimeter of Rectangle By using dynamic values Let’s see the program to understand it more clearly. In this values for length and breadth of rectangle are already taken. Method-1: Java Program to Find Area and Perimeter of Rectangle By using static values This is the standard formula to calculate the perimeter of a rectangle. Java package Java main() method Java () method. You should have knowledge of the following topics in java programming. Note1: Rather than importing we have used the. In this article, you will learn how to find the perimeter of a rectangle in the Java language. The program asks the user for length and width values and then outputs the result in the console. Try practicing the core java programs with the help of the Java basic programs list available. This is an example of calling a static method from the main class (also a static class). The following program calculates area of a rectangle in Java. Program to calculate area and circumference of Circle In this program, radius value is specified in the program and we are calculating the area and circumference using the above mentioned formulas. If you are new to Java and want to learn the java coding skills too fast. Then area of rectangle => perimeter = (length * breadth) => area = 18 Example- To find Perimeter of Rectangle Then area of rectangle => area = 2 * (length + breadth) (smaller side of rectangle)Įxample: Example- To find Area of Rectangle ![]() breadth represents the breadth of the rectangle.length represents the length of the rectangle.Program to Find Area and Perimeter of Rectangleīefore going into the program, let’s see how we find the area and perimeter of a rectangle.įormula for area of Rectangle = 2 * (length + breadth)įormula for perimeter of Rectangle = length * breadth In this article we will discuss about how to find area and perimeter of a rectangle. In the previous article we have discussed Java Program to Find Perimeter of Triangle
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