Why can't I do assignment outside a method?

Question

If I try to assign a value to a variable in a class, but outside a method I get an error.

class one{
 Integer b;
 b=Integer.valueOf(2);
}

b

Answer 1

In Java, when defining a class, you can define variables with default values and add methods. Any executable code (such as assignments) MUST be contained in a method.