Answered! why my java eclipse out like this ,this program runnable on mac.. public class AreaRectangle { public static void main (String[] args) { double length = 0: double width = 0: double…

Your code is correct and running in my IDE intelliJ and Eclipse both perfectly. So try to reconfigure your ide. Problem may solved.

still you face problem. Leave comment. thanks.

*/

//This is your program

import java.util.Scanner;

public class AreaRectangle {

    public static void main(String[] args) {
   double length=0;
   double width=0;
   double area;
   length = length(length);
   width=width(width);
   area = area(length,width);
   displayData(length,width,area);
   System.exit(0);
    }
    public static double length(double length)
    {
        Scanner keyboard = new Scanner(System.in);
        System.out.println("Enter the your length: ");
        return length=keyboard.nextDouble();
    }
    public static double width(double width) {
    Scanner keyboard = new Scanner(System.in);
    System.out.println("Enter the your width: ");
    return width = keyboard.nextDouble();
    }
    public static double area(double length, double width)
    {
        double area;
        area = length*width;
        System.out.println(area);
        return area;
    }
    public static double displayData(double length, double width, double area)
    {
        System.out.println("The data of this program includes length "+length+ " width "+width+ " Area "+area);
        return area;
    }
}

//Output:—>