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abstract class Name {
   private String name;
   public abstract boolean isStupidName(String name) {}
}
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public class Something {
   void doSomething () {
       private String s = "";
       int l = s.length();
   }
}
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abstract class Something {
   private abstract String doSomething ();
}
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public class Something {
   public int addOne(final int x) {
       return ++x;
   }
}
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5.
public class Something {
   public static void main(String[] args) {
       Other o = new Other();
       new Something().addOne(o);
   }
   public void addOne(final Other o) {
       o.i++;
   }
}
class Other {
   public int i;
}
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