Java 1.6.0 — Complete

If you cannot upgrade (the code is lost, the vendor is bankrupt):

Note: You cannot use try-with-resources (Java 7) or Lambdas (Java 8). Java 6 is raw loops and finally blocks. java 1.6.0

Java 6 was not just a minor update; it brought significant performance improvements and several new APIs that simplified development: If you cannot upgrade (the code is lost,

javac src/HelloWorld.java java HelloWorld keep it locked down

Java 6 is a security sieve if connected to the internet.

Handle it with care, keep it locked down, and never point it at the internet.