Brazilian Jiu-Jitsu and Judo share Japanese jujutsu roots but train differently: Judo emphasizes throws and quick match-ending techniques, while BJJ focuses on extended groundwork, positional control, and submissions. This affects risk, strategy, and real-world application throws can stop a fight, but if it goes to the ground, control and submissions dominate. Comparing them helps you understand class structure, competition style, safety, and cross-training tips, ultimately guiding which martial art suits you best.