![]() Perimeter = 2 * ( length width ) //This is perimeter rectangle formulaġ) Calculate Rectangle Area Using Java Example 1 This is simple example, where we will use Scanner class to take values of length and width of rectangle from the user and then calculate the area of rectangle. Here we will see some different-different java programs for area of rectangle in java.īefore learning java programs for area and perimeter of rectangle, let's discuss about some useful formula we will use for calculating area and perimeter.Īrea = length * width //This is area rectangle formula Let's see java program to find area of rectangle first and then programs for perimeter of rectangle. Here we will see some useful programs for calculating area and perimeter of rectangle which is quite useful in any java programming interviews. Public static double CalculateArea(double side1, double side2, double side3)Īrea = Math.Now here we are gonna to discuss that how to write a simple java program to calculate area and perimeter of the rectangle. Then we ask the user to enter the length of a side of the square. ("\n The Area of the triangle = %.2f\n",area) In this code, we first import the Scanner class to take input from the user. ("\n Enter the three sides of the triangle: ") Īrea = CalculateArea(side1, side2, side3)
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