First up are China's J-20 and J-31 stealthy-looking fighters. We call them "stealthy looking" because until more information is made public, we won't know how well the jets mask their heat signatures, noise, and electronic emissions -- all critical elements of modern stealth that go beyond radar-evading shapes and radar-absorbent coatings. Nevertheless, China has developed two jets that appear stealthy.
Chengdu Aircraft Industry Group's large J-20 made its first flight in early 2011 and is thought to be either a high-speed interceptor, designed to fly out and shoot down incoming enemy bombers (similar to the famous MiG-25 Foxbat), or a stealthy bomber along the lines of the U.S. F-111 Aardvark or the more recent F-15E Strike Eagle, meant to penetrate enemy defenses and bomb bases and ships. One has to notice the similarities between the cockpit and nose section of the J-20 and the U.S. Air Force's F-22 Raptor.
Less than two years after the J-20 appeared, Shenyang Aviation Corporation unveiled China's second stealthy fighter, the J-31. This jet is smaller than the J-20, and its fuselage bears a striking resemblance to the U.S.'s F-22 and F-35 Joint Strike Fighter. (It has been widely reported that the computers of numerous defense contractors working on the F-35 program were hacked and information on the jet was stolen.) Some speculate that the J-31 will be used as a complement to the J-20 -- similar to the role that F-16 Vipers play for F-15 Eagles or F-35s play for the F-22s. Others point to the twin wheels on the J-31's nose landing gear as sign that it is being developed as a carrier-based fighter. (Land-based fighters usually have just one wheel on their nose gear while naval fighters have two because of the increased strain of landing on ships.)
Chinese Internet/China Defense Blog