Adhere more to familar language idioms.

python/HelloWorld.py

@@ -9,7 +9,6 @@ class BurpExtender(IBurpExtender):
     #
 
     def	registerExtenderCallbacks(self, callbacks):
-
         # set our extension name
         callbacks.setExtensionName("Hello world extension")
 
@@ -28,4 +27,3 @@ def	registerExtenderCallbacks(self, callbacks):
 
         # throw an exception that will appear in our error stream
         raise RuntimeException("Hello exception")
-

ruby/HelloWorld.rb

@@ -5,26 +5,23 @@ class BurpExtender
   include IBurpExtender
 
 	def registerExtenderCallbacks(callbacks)
-
     # set our extension name
-    callbacks.setExtensionName("Hello world extension")
+    callbacks.setExtensionName "Hello world extension"
 
     # obtain our output and error streams
-    stdout = java.io.PrintWriter.new(callbacks.getStdout(), true)
-    stderr = java.io.PrintWriter.new(callbacks.getStderr(), true)
+    stdout = java.io.PrintWriter.new callbacks.getStdout, true
+    stderr = java.io.PrintWriter.new callbacks.getStderr, true
 
     # write a message to our output stream
-    stdout.println("Hello output")
+    stdout.println "Hello output"
 
     # write a message to our error stream
-    stderr.println("Hello errors")
+    stderr.println "Hello errors"
 
     # write a message to the Burp alerts tab
-    callbacks.issueAlert("Hello alerts")
+    callbacks.issueAlert "Hello alerts"
 
     # throw an exception that will appear in our error stream
     raise "Hello exception"
-
   end
-
 end