Take user input in this code , public class ExceptionDriverClass {public static void main(String[] args) {Scanner s = new Scanner(System.in);InvalidRadius jjr =new InvalidRadius(2.3);Circle cir = new Circle();try {cir.area(-9.63);}catch(InvalidRadius ii){System.out.println("Wrong input of radius value");}try {jjr.setRadius(3.6);}catch(InvalidRadius jjd){System.out.println("You have entered invalid radius "+jjd.getRadius());}}}public class Circle {public double radius;final double pie =3.1416;public void area(double radius) throws InvalidRadius {if (radius >= 0){this.radius=radius;double area=pie*radius*radius;System.out.println("Area is : "+area);}else{throw new InvalidRadius(radius);}}}public class InvalidRadius extends Exception {Scanner s= new Scanner(System.in);public double radius;InvalidRadius(double radius ){this.radius=radius;}public double getRadius(){return radius;}public void setRadius(double newRadius) throws InvalidRadius{if(newRadius >=0){radius=newRadius;}else {throw new InvalidRadius(newRadius);}}}
Take user input in this code , public class ExceptionDriverClass {public static void main(String[] args) {Scanner s = new Scanner(System.in);InvalidRadius jjr =new InvalidRadius(2.3);Circle cir = new Circle();try {cir.area(-9.63);}catch(InvalidRadius ii){System.out.println("Wrong input of radius value");}try {jjr.setRadius(3.6);}catch(InvalidRadius jjd){System.out.println("You have entered invalid radius "+jjd.getRadius());}}}public class Circle {public double radius;final double pie =3.1416;public void area(double radius) throws InvalidRadius {if (radius >= 0){this.radius=radius;double area=pie*radius*radius;System.out.println("Area is : "+area);}else{throw new InvalidRadius(radius);}}}public class InvalidRadius extends Exception {Scanner s= new Scanner(System.in);public double radius;InvalidRadius(double radius ){this.radius=radius;}public double getRadius(){return radius;}public void setRadius(double newRadius) throws InvalidRadius{if(newRadius >=0){radius=newRadius;}else {throw new InvalidRadius(newRadius);}}}
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