Ok this is gonna hurt. 2005 was 20 years ago

Think further back. Like late 80s to 90s IBM

How old do you think the mainframes running Social Security are?

No. Java is not suited for this. This code runs on mainframes not some x86 shitbox cluster of dell blades. They literally could not purchase the hardware needed to switch to java in the timeline given. I get what you’re trying to say but in this case Java is a hard no.