diff --git a/java/libraries/serial/examples/SerialCallResponse/SerialCallResponse.pde b/java/libraries/serial/examples/SerialCallResponse/SerialCallResponse.pde
index b68641ac0..627b27a75 100644
--- a/java/libraries/serial/examples/SerialCallResponse/SerialCallResponse.pde
+++ b/java/libraries/serial/examples/SerialCallResponse/SerialCallResponse.pde
@@ -33,7 +33,7 @@ void setup() {
   ypos = height/2;
 
   // Print a list of the serial ports, for debugging purposes:
-  println(Serial.list());
+  printArray(Serial.list());
 
   // I know that the first port in the serial list on my mac
   // is always my  FTDI adaptor, so I open Serial.list()[0].
diff --git a/java/libraries/serial/examples/SerialDuplex/SerialDuplex.pde b/java/libraries/serial/examples/SerialDuplex/SerialDuplex.pde
index 1a012a206..38dc2f204 100644
--- a/java/libraries/serial/examples/SerialDuplex/SerialDuplex.pde
+++ b/java/libraries/serial/examples/SerialDuplex/SerialDuplex.pde
@@ -22,7 +22,7 @@ void setup() {
   textFont(myFont);
 
   // List all the available serial ports:
-  println(Serial.list());
+  printArray(Serial.list());
 
   // I know that the first port in the serial list on my mac
   // is always my  FTDI adaptor, so I open Serial.list()[0].
diff --git a/java/libraries/serial/examples/SerialMultiple/SerialMultiple.pde b/java/libraries/serial/examples/SerialMultiple/SerialMultiple.pde
index cd46cbcd8..0646a4dc9 100644
--- a/java/libraries/serial/examples/SerialMultiple/SerialMultiple.pde
+++ b/java/libraries/serial/examples/SerialMultiple/SerialMultiple.pde
@@ -13,7 +13,7 @@ int[] dataIn = new int[2];         // a list to hold data from the serial ports
 void setup()  {
   size(400, 300);
   // print a list of the serial ports:
-  println(Serial.list());
+  printArray(Serial.list());
   // On my machine, the first and third ports in the list
   // were the serial ports that my microcontrollers were 
   // attached to.