What is Java? Why is it on your computer and do you need it? Read about living safely with Java, or living wihout it, in January Ouch! Newsletter.
http://www.securingthehuman.org/newsletters/ouch/issues/OUCH-201301_en.pdf
Links to other languages are available here:
http://www.securingthehuman.org/resources/newsletters/ouch/2013