如何查看/更改MySQL连接超时设置?

I have a java program, when i log in, after ~600,000 milliseconds (i actually tried several times, and its always ~600,000, thats why i think theres somewhere set up a timeout for 600,000 miliseconds) my database connection crashes and my program no longer works (it always needs to be connected to database). It gives me I have a java program, when i log in, after ~60