types of variable

class A
{
    static int b =10;// static
    int c=20;//Instance
    public static void main(String[] args)
    {
        int a=30;//Local
        System.out.println(a);//local
        System.out.println(A.b);//static
        A r= new A();
        System.out.println(r.c);//Instace 
        
        
        
    }
}