/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

1 vote265 views1 answer
Java bufferedimage get int array
Java
1 vote279 views1 answer
Get number of items in combobox java
Java
0 vote311 views1 answer
What is import java.io.*?
Java
2 votes284 views1 answer
Taking date as input in java
Java
0 vote281 views1 answer
Border in android
Java
2 votes288 views1 answer
Java string default value
Java
0 vote287 views1 answer
Null check in line java
Java
1 vote282 views2 answers
Spring boot docker
Java
0 vote315 views2 answers
Void * to int
Java
0 vote344 views1 answer
Spring boot jackson infinite recursion
Java Spring