Need help creating my own exception for circle class

[ndsmith20]

I need to create a custom exception for my circle class to replace the illegal argument exception, im getting tons of errors in my custom exception class and honestly I am lost, help would be greatly appreciated:

public class Circle {

    private double radius;    // the radius of the circle

    /**
     * Constructor - Create a new circle.
     *
     * @param    inRadius  radius of the circle
	  *throw illegal argument exception if inRadius less than or equal to 0
     */

    public Circle(double inRadius ) {

        if (inRadius <= 0.0)
		  {
		  	throw new IllegalArgumentException("Radius must be greater than 0");
		  }
		  radius = inRadius;
		  
    }

    /**
     * Return the radius of the circle.
     *
     * @return    radius of the circle
     */

    public double getRadius() {
		return radius;
    }

    /**
     * set the radius
     * @param newRadius		new radius of the circle
	  *throw exception if newRadius less than or equal to 0
     */

    public void setRadius(double newRadius) {
		 if (newRadius <= 0.0)
		  {
		  	throw new IllegalArgumentException("Radius must be greater than 0");
		  }

		radius = newRadius;
	}

    /**
     * Compute and return the area of the circle.
     *
     * @return    the area of the circle
     */

    public double area() {
		return Math.PI * radius * radius;
    }

    /**
     * Stretches the size of the circle by multiplying
     * the radius by the factor provided.
     *
     * @param    factor    factor to stretch by
     *
     */

    public void stretchBy(double factor ) {

        if (factor <= 0.0)
		  {
		  	throw new IllegalArgumentException("Factor must be greater than 0");
		  }
		  radius = radius * factor;

    }

    /**
     * Return a string representation of a circle.
     *
     * @return    a string representing this circle
     */

    public String toString() {

       // implement body here
		 return "Circle: "+radius;

    }

} // Circle

public class Exception 
{
   public void Circle() throws ShapeException 
   {
      System.out.println(
         "Throwing ShapeException from Circle()");
      throw new ShapeException("Examine method:Circle()");
   }

   public static void main(String[] args) 
   {
      new Exception();
   }

   public Exception() 
   {
      try 
      {
         Circle();			
      }
         catch (ShapeException e)
         {
            System.out.println(e.getMessage());
         }
   }
}

class ShapeException extends Exception 
{
  
   public ShapeException(String msg) 
   {
      super(msg);
   }
}

errors:
Exception.java:3: error: incompatible types
public void Circle() throws ShapeException
^
required: Throwable
found: ShapeException
Exception.java:7: error: incompatible types
throw new ShapeException("Examine method:Circle()");
^
required: Throwable
found: ShapeException
Exception.java:21: error: incompatible types
catch (ShapeException e)
^
required: Throwable
found: ShapeException
Exception.java:23: error: cannot find symbol
System.out.println(e.getMessage());
^
symbol: method getMessage()
location: variable e of type ShapeException
Exception.java:33: error: constructor Exception in class Exception cannot be applied to given types;
super(msg);
^
required: no arguments
found: String
reason: actual and formal argument lists differ in length
5 errors

----jGRASP wedge2: exit code for process is 1.
----jG

[Fubarable]

You have given one of your classes a name, Exception, that is the same as that of a critical core Java class and thus is shadowing the core class. Don't do that. Instead rename your Exception class to something that makes more sense like TestCircleException or somesuch.

[ndsmith20]

Thank you, I am going to try that now