The Japanese Navy was still, as a matter of technicality, extant by the time of Japan’s surrender, but it was not in any sort of fighting condition - and certainly not against the 1945 US Navy, which was a grotesque juggernaut at that point. Only one Japanese capital ship remained floating by the end of the war, and many of the smaller ships were too damaged for combat duty.
The Japanese Navy was still, as a matter of technicality, extant by the time of Japan’s surrender, but it was not in any sort of fighting condition - and certainly not against the 1945 US Navy, which was a grotesque juggernaut at that point. Only one Japanese capital ship remained floating by the end of the war, and many of the smaller ships were too damaged for combat duty.