I have installed jdk1.7.0_15.
jdk1.7.0_15
JavaFX\'s download page says the following:
JavaFX 2.2.7 contains the latest security fixes an
I recommend using e(fx)clipse.
e(fx)clipse is a plugin to assist JavaFX development in Eclipse which will fix your classpath issue and provide you with many other useful features as well as step by step documentation and code completion assistance.