java-study Thread线程、synchronized同步锁、await()/notify()
demo1:packagecom.TestThread;publicclassTest{publicstaticvoidmain(String[]args){Accounta0=newAccount();Accounta1=newAccount();Useru0=newUser(a0,2000);Useru1=newUser(a1,2000);Threadt0=newThread(u0);Thre