java creating classes and object, please help me with this exercise

Question

public A {
public void test() {
System.out.println("Hi");
}
}
class B {
public static void main(String args[ ]) {
obj = A();
obj. ;
}
}
A class object new B test() create

Unlock

Answer 1

look for right syntax:
.how to declare class
.how to create object from class
.how to call method of (created) object

Answer 2

ok, thanks