Pulled main out of ProcessFiles.java so it runs on CI

Author: Bruce Eckel

annotations/DemoProcessFiles.java

@@ -0,0 +1,43 @@
+// annotations/DemoProcessFiles.java
+// (c)2017 MindView LLC: see Copyright.txt
+// We make no guarantees that this code is fit for any purpose.
+// Visit http://OnJava8.com for more book information.
+import onjava.ProcessFiles;
+
+public class DemoProcessFiles {
+  public static void main(String[] args) {
+    new ProcessFiles(file -> System.out.println(file),
+      "java").start(args);
+  }
+}
+/* Output:
+.\AtUnitExample1.java
+.\AtUnitExample2.java
+.\AtUnitExample3.java
+.\AtUnitExample4.java
+.\AtUnitExample5.java
+.\AUComposition.java
+.\AUExternalTest.java
+.\database\Constraints.java
+.\database\DBTable.java
+.\database\Member.java
+.\database\SQLInteger.java
+.\database\SQLString.java
+.\database\TableCreator.java
+.\database\Uniqueness.java
+.\DemoProcessFiles.java
+.\HashSetTest.java
+.\ifx\ExtractInterface.java
+.\ifx\IfaceExtractorProcessor.java
+.\ifx\Multiplier.java
+.\PasswordUtils.java
+.\simplest\Simple.java
+.\simplest\SimpleProcessor.java
+.\simplest\SimpleTest.java
+.\SimulatingNull.java
+.\StackL.java
+.\StackLStringTst.java
+.\Testable.java
+.\UseCase.java
+.\UseCaseTracker.java
+*/

onjava/ProcessFiles.java

@@ -2,8 +2,6 @@
 // (c)2017 MindView LLC: see Copyright.txt
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
-// {ValidateByHand} // main() won't run on Travis CI
-// {java onjava.ProcessFiles}
 package onjava;
 import java.io.*;
 import java.nio.file.*;
@@ -47,32 +45,4 @@ public void start(String[] args) {
       .filter(matcher::matches)
       .forEach(p -> strategy.process(p.toFile()));
   }
-  // Demonstration of how to use it:
-  public static void main(String[] args) {
-    new ProcessFiles(file -> System.out.println(file),
-      "java").start(args);
-  }
 }
-/* Output: (First and Last 10 Lines)
-.\ArrayShow.java
-.\atunit\AtUnit.java
-.\atunit\ClassNameFinder.java
-.\atunit\Test.java
-.\atunit\TestObjectCleanup.java
-.\atunit\TestObjectCreate.java
-.\atunit\TestProperty.java
-.\BasicSupplier.java
-.\CollectionMethodDifferences.java
-.\ConvertTo.java
-...________...________...________...________...
-.\Stack.java
-.\Suppliers.java
-.\TimedAbort.java
-.\Timer.java
-.\Tuple.java
-.\Tuple2.java
-.\Tuple3.java
-.\Tuple4.java
-.\Tuple5.java
-.\TypeCounter.java
-*/