Fix terminal output on JRuby
Fix terminal output on JRuby

cheftestn/redis-stat,brajput24/redis-stat,jerrysearch/redis-stat,cheftestn/redis-stat,junegunn/redis-stat,junegunn/redis-stat,junegunn/redis-stat,brajput24/redis-stat,brajput24/redis-stat,cheftestn/redis-stat,taohaolong/redis-stat,jerrysearch/redis-stat,taohaolong/redis-stat,taohaolong/redis-stat,jerrysearch/redis-stat