Is there a way in java to do something similar to this:

class Rectangle
      int x;
      string y;

      int a;
      string b;

Or do you always have to specify public/private for each property?

No..You cannot use the shortcut method. :)
You need to specify the access specifier for each member variable separately with patience..

But it will be nice if oracle make changes like what you have said..

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