Naming

Good

request
session
player
packet
handler
storage
result
connection
worker

Avoid

r
s
p
x
tmp
obj
data2
thing

Also avoid names that are unnecessarily long

currentIncomingPlayerConnectionRequestObject

The rule is:

As short as possible, as explicit as necessary.

Exceptions are allowed for established local conventions such as loop counters java

for (int i = 0; i < size; i++) {
}