diff --git a/examples/nbproject/configs/2a.UdpReceiver.properties b/examples/nbproject/configs/2a.UdpReceiver.properties
new file mode 100644
index 0000000000000000000000000000000000000000..7e141722cfee4f7324f0b6f3afeba2c2f3dc2f11
--- /dev/null
+++ b/examples/nbproject/configs/2a.UdpReceiver.properties
@@ -0,0 +1 @@
+main.class=UdpMulticastHttpExamples.UdpReceiver
diff --git a/examples/nbproject/configs/2b.UdpSender.properties b/examples/nbproject/configs/2b.UdpSender.properties
new file mode 100644
index 0000000000000000000000000000000000000000..1f269057f07c225d19c0c7c2109f6788e84f5c06
--- /dev/null
+++ b/examples/nbproject/configs/2b.UdpSender.properties
@@ -0,0 +1 @@
+main.class=UdpMulticastHttpExamples.UdpSender
diff --git a/examples/nbproject/configs/2c.MulticastReceiver.properties b/examples/nbproject/configs/2c.MulticastReceiver.properties
new file mode 100644
index 0000000000000000000000000000000000000000..2856a0bef63b0651eaa480c640ac908c31a8685b
--- /dev/null
+++ b/examples/nbproject/configs/2c.MulticastReceiver.properties
@@ -0,0 +1 @@
+main.class=UdpMulticastHttpExamples.MulticastReceiver
diff --git a/examples/nbproject/configs/2d.MulticastSender.properties b/examples/nbproject/configs/2d.MulticastSender.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e5deff8fb848f90cf60dc9747bc414c7c1a90a4d
--- /dev/null
+++ b/examples/nbproject/configs/2d.MulticastSender.properties
@@ -0,0 +1 @@
+main.class=UdpMulticastHttpExamples.MulticastSender
diff --git a/examples/nbproject/configs/2e.HttpWebPageSource.properties b/examples/nbproject/configs/2e.HttpWebPageSource.properties
new file mode 100644
index 0000000000000000000000000000000000000000..c774a067cbce11056df1fa1221ab22e350f2866e
--- /dev/null
+++ b/examples/nbproject/configs/2e.HttpWebPageSource.properties
@@ -0,0 +1 @@
+main.class=UdpMulticastHttpExamples.HttpWebPageSource