1. Study summary 1.1 This week summarize your database-related content in the way you like (mind mapping or other).
2. Using database technology your system 2.1 briefly describes how to use the database to transform your system. What table do you want to build? The design of your watch.
- The first convenience of using a database to retrofit a system is to omit the construction of an array, using the database to discard all of the previous arrays, which is much easier to use than the previous array, because if you use an array, you need to use the file for storing the data after the program shuts down, but if you use the database, Then the relevant steps of the file are omitted. The first transformation of the system, the start of the database-driven startup and database connection, the construction of the relevant MySQL statement to be in the database for the increase and deletion check. This step I will embody in the.
What are the key classes used in JDBC in the 2.2 system?
- The classes used are as follows:
2.3 Key code for database related modules. Critical lines need to be annotated.
3. Code volume Statistics 3.1 Statistics the amount of code completed this week
| Week Time |
Total code Amount |
New Code Volume |
total number of files |
number of new files |
| 5 |
221 |
221 |
4 |
4 |
| 6 |
487 |
226 |
10 |
6 |
| 7 |
837 |
350 |
14 |
4 |
| 8 |
1057 |
220 |
17 |
3 |
| 9 |
1289 |
232 |
21st |
4 |
| 10 |
1654 |
365 |
26 |
5 |
| 11 |
1989 |
335 |
32 |
6 |
| 12 |
2291 |
60W |
39 |
7 |
| 13 |
2492 |
201 |
40 |
1 |
| 14 |
2637 |
145 |
43 |
3 |
| 15 |
3054 |
417 |
47 |
4 |
201621123041java Programming 14th Week Study Summary