fixed visibility errors

testprograms/testcircles/A.java

 package A;
 
-class A{
- B b=null;
+import B.B;
+
+public class A{
+ B b=new B();
 }

testprograms/testcircles/B.java

 package B;
 
-class B{
- C c=null;
- D d=null;
+import C.C;
+import D.D;
+
+public class B{
+ C c=new C();
+ D d=new D();
 }

testprograms/testcircles/C.java

 package C;
 
-class C{
- B b=null;
+import B.B;
+
+public class C{
+ B b=new B();
 }

testprograms/testcircles/D.java

 package D;
 
-class D{
- E e=null;
- G g=null;
+import E.E;
+import G.G;
+
+public class D{
+ E e=new E();
+ G g=new G();
 }

testprograms/testcircles/E.java

 package E;
 
-class E{
- F f=null;
+import F.F;
+
+public class E{
+ F f=new F();
 }

testprograms/testcircles/F.java

 package F;
 
-class F{
- D d=null;
+import D.D;
+
+public class F{
+ D d=new D();
 }

testprograms/testcircles/G.java

 package G;
 
-class G{
- G g=null;
+public class G{
+ G g=new G();
 }