Untitled

import java.util.*;
class niggzeggwater{
    Scanner obj=new Scanner(System.in);
    double v,l,b,h,r,s;
    int c;
    void main(){
        System.out.println("Enter the choice");
        System.out.println("enter l");
         System.out.println("enter b");
          System.out.println("enter h");
           System.out.println("enter s");
            System.out.println("enter r");
            
            l=obj.nextDouble();
            b=obj.nextDouble();
            h=obj.nextDouble();
            s=obj.nextDouble();
            r=obj.nextDouble();

        c=obj.nextInt();
        if(c==1){
          v=l*b*h;
    
        }
        else if(c==2){
            v=s*s*s;
            
        }
        else if (c==3){
        
            v=3.142*r*r*s;
        }

        else{
        System.out.println("Invalid input");
        }
        System.out.println(v);
    }
    
        
}