<!-- Acceptable JVMs in preferred order, best first -->

<!-- means version 1.6 or higher, Sun JVM. However, I am unsure if 1.6.0_04-beta would match. -->
<j2se version="1.6+"     java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se" initial-heap-size="128m" max-heap-size="512m" />

<!-- means version 1.6 or higher, any vendor -->
<j2se version="1.6+"     java-vm-args="-ea" initial-heap-size="128m" max-heap-size="512m" />

<!-- means any version beginning with 1.6, Sun JVM -->
<j2se version="1.6*"     java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se" initial-heap-size="128m" max-heap-size="512m" />

<!-- means version 1.6.0_04 precisely, Sun JVM -->
<j2se version="1.6.0_04" java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se" initial-heap-size="128m" max-heap-size="512m" />

<j2se version="1.5+"     java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se" initial-heap-size="128m" max-heap-size="512m" />
<j2se version="1.4.2+"   java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se" initial-heap-size="128m" max-heap-size="512m" />
<j2se version="1.3+"     java-vm-args="-ea" href="http://java.sun.com/products/autodl/j2se" initial-heap-size="128m" max-heap-size="512m" />