package reader;

public abstract class Production {
   int sel;
   int fId;
	public abstract String toString();
 
	  }

public abstract class Production {
    private int sel;
    private int fId;
    
    public Production(int selector, int fId) {
	this.sel = selector;
	this.fId = fId;
    }
    
    public abstract String toString();
}

@@ -14,111 +14,8 @@
 r;%0A%0A
-public abstract class Production %7B%0A   int sel;%0A   int fId;%0A%09public abstract String toString();%0A %0A%09  %7D%0A%0A
 publ

Fixing the problem with the Two production classes