[ ] keep Java 1.5 compatibility: no good reason to upgrade. [x] upgrade to Java 1.6: one step at a time. [ ] upgrade to Java 1.7: new features are more important.
For big projects it takes longer to upgrade JVM.
[ ] keep Java 1.5 compatibility: no good reason to upgrade. [x] upgrade to Java 1.6: one step at a time. [ ] upgrade to Java 1.7: new features are more important.
For big projects it takes longer to upgrade JVM.