AreaCalulator.java

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package assignment_10528808;

/**
 *
 * @author Mawutor
 */
import java.util.Scanner;
public class AreaCalulator 
{
    
    public static double area_Circle(int radius)
    {
     Scanner input=new Scanner(System.in);
        System.out.println("Enter the radius of the circle");
        radius=input.nextInt();
        double area=(22/7)*radius*radius;
        System.out.print(area);
        return area;
    }
    public static int area_rect(int length, int width)
    {
        Scanner input=new Scanner(System.in);
        System.out.println("Enter the lenght and width of the triangle respectively");
        length=input.nextInt();
        width=input.nextInt();
        int area=length*width;
        System.out.print(area);
        return area;
        
    }
    public static int area_Square(int side)
    {
       Scanner input=new Scanner(System.in);
       System.out.println("Enter the side of the square");
       side=input.nextInt();
       int area=side*side;
       System.out.print(area);
       return area;
    }
    public static double area_triangle(int base,int height)
    {
        Scanner input=new Scanner(System.in);
        System.out.println("Enter the base and height of the triangle respectively");
        base=input.nextInt();
        height=input.nextInt();
        double area=0.5*base*height;
        System.out.print(area);
        return area;
    }
    
    
    public static void main(String[] arg)
    {
        Scanner input=new Scanner(System.in);
        System.out.printf("Which shape%n 1)Triangle%n2)Rectangle%n3)Sqaure%n4)Cicle%n5)Quit");
        
        int n=input.nextInt();
        if(n==1)
        {
          area_triangle(0,0);  
        }
        else if(n==2)
        {
          area_rect(0,0);  
        }
        else if(n==3)
        {
          area_Square(0);  
        }
         else if(n==4)
        {
          area_Circle(0);  
        }
         else if(n==5)
         { 
          System.out.println("Goodbye");   
         }
        else
         {
             System.out.println("Restart the program");
         }
    }
}