/Java/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).

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());
    }
}

Source: stackoverflow.com

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

Similar codes

0 vote214 views1 answer
Java application running other app
Java
0 vote250 views1 answer
Hide background of button java swing
Java
-2 votes202 views1 answer
Declaration of list in java
Java
1 vote175 views1 answer
Bukkit for every player
Java
0 vote202 views1 answer
Fizzbuzz java
Java
-1 vote189 views2 answers
How to use spring in java
Java
0 vote241 views1 answer
Java cos'è jvm
Java
12 votes179 views3 answers
HTTP FAILED: java.net.UnknownServiceException: CLEARTEXT communication to ztdev.co.za not permitted by network security policy
Java
2 votes186 views1 answer
Decimal up to 6 places in java
Java
0 vote202 views1 answer
Car class java
Java