So I was reading threads and i came across a question on what happens when a black hole collapses. As I was reading the responses, I saw some people commenting in which they asked if the mass the black hole absorbed was released when the black hole collapsed. If it did would the black hole release the mass and expand continuously until it ran out of mass to expand from? If it did would it cause an explosion type expansion? And one final question, would it cause another big bang?