small fix to exclude examples in build.xml, Descriptive output in Encoder

build.xml

@@ -28,7 +28,7 @@ classpath="tools/jastadd2.jar"/>
 
 <!-- compile sources -->
 <target name="build" depends="gen">
-	<javac debug="true" nowarn="true" srcdir="." includes="**/*.java" excludes="test/**" classpath=".:${tools}/beaver-rt.jar:${tools}/junit.jar"
+	<javac debug="true" nowarn="true" srcdir="." includes="**/*.java" excludes="test/** examples/**" classpath=".:${tools}/beaver-rt.jar:${tools}/junit.jar"
    fork="true" memoryMaximumSize="128M"/>
 </target>
 	

examples/simple_java/Encoder.java

@@ -26,7 +26,10 @@ public class Encoder
     y.x = 37;
     y.s = "Testing, testing";
 
+    System.out.println("Encoding TwoInts, a="+x.a+", b="+x.b);
     TwoInts.encode(encoder, x);
+
+    System.out.println("Encoding IntString, x="+y.x+", s="+y.s);
     IntString.encode(encoder, y);
   }