/Java/No enclosing instance of type Foo is accessible. Must qualify the allocation with an enclosing instance of type Foo (e.g. x.new A() where x is an instance of Foo

No enclosing instance of type Foo is accessible. Must qualify the allocation with an enclosing instance of type Foo (e.g. x.new A() where x is an instance of Foo

static class SimpleCircle

Source: stackoverflow.com

No enclosing instance of type Main is accessible. Must qualify the allocation with an enclosing instance of type Main (e.g. x.new A() where x is an instance of Main).

public class TestSimpleCircle {

    class SimpleCircle {
        double radius;

        SimpleCircle(){
            radius = 1;
        }

        SimpleCircle(double newRadius){
            radius = newRadius;
        }

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

        double getPerimeter() {
            return 2 * radius * Math.PI;
        }

        void setRadius(double newRadius) {
            radius = newRadius;
        }
    }

    public static void main(String [] args) {
        SimpleCircle circle = new SimpleCircle();
        System.out.println("the area of the circle of radius "+circle.radius+" is "+circle.getArea());

        SimpleCircle circle2 = new SimpleCircle(25);
        System.out.println("the area of the circle of radius "+circle2.radius+" is "+circle2.getArea());

        SimpleCircle circle3 = new SimpleCircle(125);
        System.out.println("the area of the circle of radius "+circle3.radius+" is "+circle3.getArea());

        circle.radius = 100;
        System.out.println("The area of the circle of radius "+circle.radius+" is "+circle.getArea());
    }
}

-2

Source: stackoverflow.com

Similar codes

0 vote377 views1 answer
Java get number of threads
Java
0 vote337 views1 answer
Java switch expression produce result
Java
3 votes342 views1 answer
Spring bean xml configuration
Java
1 vote338 views1 answer
How to create a variable java
Java
4 votes328 views3 answers
What is a package in java
Java
1 vote333 views1 answer
MCQ java
Java
1 vote328 views1 answer
Java initialize array with same value
Java
0 vote349 views1 answer
Java replaceall single character
Java
0 vote392 views1 answer
Log4j with spring boot restful services
Java Spring
4 votes349 views2 answers
Java read each lines in file
Java