This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I have a question about .class files.
Let us assume that we have a Temp.class file which we got by compiling Temp.java using some X version of java.
Now!! Is there any way to know, which version of jdk was used to compile this class?