gradlew run now working with Java 8 and Gradle 6.6

Apparently gradle changed the paths at some point from
build/classes/main/
to
build/classes/java/main

annotations/AUComposition.java

@@ -4,7 +4,7 @@
 // Visit http://OnJava8.com for more book information.
 // Creating non-embedded tests
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AUComposition.class}
+// build/classes/java/main/annotations/AUComposition.class}
 package annotations;
 import onjava.atunit.*;
 import onjava.*;

annotations/AUExternalTest.java

@@ -4,7 +4,7 @@
 // Visit http://OnJava8.com for more book information.
 // Creating non-embedded tests
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AUExternalTest.class}
+// build/classes/java/main/annotations/AUExternalTest.class}
 package annotations;
 import onjava.atunit.*;
 import onjava.*;

annotations/AtUnitExample1.java

@@ -3,7 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AtUnitExample1.class}
+// build/classes/java/main/annotations/AtUnitExample1.class}
 package annotations;
 import onjava.atunit.*;
 import onjava.*;

annotations/AtUnitExample2.java

@@ -4,7 +4,7 @@
 // Visit http://OnJava8.com for more book information.
 // Assertions and exceptions can be used in @Tests
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AtUnitExample2.class}
+// build/classes/java/main/annotations/AtUnitExample2.class}
 package annotations;
 import java.io.*;
 import onjava.atunit.*;

annotations/AtUnitExample3.java

@@ -3,7 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AtUnitExample3.class}
+// build/classes/java/main/annotations/AtUnitExample3.class}
 package annotations;
 import onjava.atunit.*;
 import onjava.*;

annotations/AtUnitExample4.java

@@ -3,7 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AtUnitExample4.class}
+// build/classes/java/main/annotations/AtUnitExample4.class}
 // {VisuallyInspectOutput}
 package annotations;
 import java.util.*;

annotations/AtUnitExample5.java

@@ -3,7 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/AtUnitExample5.class}
+// build/classes/java/main/annotations/AtUnitExample5.class}
 package annotations;
 import java.io.*;
 import onjava.atunit.*;

annotations/HashSetTest.java

@@ -3,7 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/HashSetTest.class}
+// build/classes/java/main/annotations/HashSetTest.class}
 package annotations;
 import java.util.*;
 import onjava.atunit.*;

annotations/StackLStringTst.java

@@ -4,7 +4,7 @@
 // Visit http://OnJava8.com for more book information.
 // Applying @Unit to generics
 // {java onjava.atunit.AtUnit
-// build/classes/main/annotations/StackLStringTst.class}
+// build/classes/java/main/annotations/StackLStringTst.class}
 package annotations;
 import onjava.atunit.*;
 import onjava.*;

enums/Reflection.java

@@ -38,7 +38,7 @@ public class Reflection {
     System.out.println(exploreMethods);
     // Decompile the code for the enum:
     OSExecute.command(
-      "javap -cp build/classes/main Explore");
+      "javap -cp build/classes/java/main Explore");
   }
 }
 /* Output:

standardio/OSExecuteDemo.java

@@ -3,7 +3,7 @@
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
 // Demonstrates standard I/O redirection
-// {javap -cp build/classes/main OSExecuteDemo}
+// {javap -cp build/classes/java/main OSExecuteDemo}
 import onjava.*;
 
 public class OSExecuteDemo {}

strings/Hex.java

@@ -27,7 +27,7 @@ public class Hex {
       // Test by displaying this class file:
       System.out.println(format(
         Files.readAllBytes(Paths.get(
-          "build/classes/main/onjava/Hex.class"))));
+          "build/classes/java/main/onjava/Hex.class"))));
     else
       System.out.println(format(
         Files.readAllBytes(Paths.get(args[0]))));