Title a

From the console to read two integers N, Val, and N integers, delete all values in the N integers is equal to the integer, Val output results after deletion (through the Iterator and List implementation, and understand why cannot directly traversal)

Topic 2

Through multi-threading implementation producer consumer problem and dining philosophers problem

Topic 3

Use SQL statements directly in the GUI or command line after the execution, try to write a JDBC program to realize the query