@@ -0,0 +1,7 @@
+public class MyObjectTest {
+  public static void main(String[] args) {
+    MyObject obj = new MyObject();
+    obj.helloWorld();
+    obj.goodbyeWorld("hello");
+  }
+}
@@ -0,0 +1,13 @@
+public class MyObjectTest {
+  public static void main(String[] args) {
+    MyObject2 obj = new MyObject2();
+    obj.booleanMethod(false);
+    obj.byteMethod((byte)1);
+    obj.shortMethod((short)1);
+    obj.charMethod((char)1);
+    obj.intMethod(1);
+    obj.longMethod(1L);
+    obj.floatMethod(1.0f);
+    obj.doubleMethod(1.0);
+  }
+}
@@ -0,0 +1,15 @@
+require 'rbconfig'
+require 'java'
+require 'tool/signature'
+
+class MyRubyClass
+  def helloWorld
+    puts "Hello from Ruby"
+  end
+  def goodbyeWorld(a)
+    puts a
+  end
+
+  signature :helloWorld, [] => Java::void
+  signature :goodbyeWorld, [java.lang.String] => Java::void
+end
@@ -0,0 +1,11 @@
+require 'rbconfig'
+require 'java'
+require 'tool/signature'
+
+class MyRubyClass2
+  %w[boolean byte short char int long float double].each do |type|
+    java_type = Java.send type
+    eval "def #{type}Method(a); a; end"
+    signature "#{type}Method", [java_type] => java_type
+  end
+end