how to check jre version using java application

Question

i have made an application in JDK7, but the jre6 is still using in the market, and if i send my jar file to someone with jre6, it wont work, is there a way that application

Answer 1

System.getProperty("java.version")

• Demo

Note: It will return current jvm's version, jvm on which this code is executing, If you have java6 & java7 installed on your computer and you are running this code on java 7 it will show you version 7