Make a file called rectangle. java. in this file, create the following methods: //ask the user for the length of the rectangle. public static double getlength(scanner keyboard) //ask the user for the width of the rectangle public static double getwidth(scanner keyboard) //calculate the area of the rectangle public static double getarea(double length, double width) //display the information about the rectangle public static void displaydata(double length, double width).

demo 5 content:

import org. w3c. dom. css. rect;

import java. util. scanner;

public class demo5
{
public static void main(string[] args)
{
scanner keyboard = new scanner(system. in);
double length = rectangle. getlength(keyboard);
double width = rectangle. getwidth(keyboard);
double area = rectangle. getarea(length, width);

system. out. printf("you entered: %.1f, %.1f, and %.1f\n", length, width, area);

rectangle. displaydata(length, width);
}
}