Calling a method of a class without creating object of it

Question

class A{
    String z(){
        System.out.println(\"a\");
        return \"sauarbh\";
    }
}
class B{
    A a;
    A x(){
    return a;   
    }
}
public class runner         


        

Answer 1

To call:

String z(){
        System.out.println("a");
        return "sauarbh";
    }

without the object of the class A the method z has to be static:

static String z(){
        System.out.println("a");
        return "sauarbh";
    }

So change your code as following:

class A{
    static String z(){
        System.out.println("a");
        return "sauarbh";
    }
}
class B{
    A a;
    A x(){
    return a;   
    }
}
public class runner {
    public static void main(String[] args) {
         B b = new B();
         b.x();
         A.z();
    }
}

Output :

a