Second Stage Sprint 1 (May 31)

What I did yesterday:

1. Learned to release vector array memory.

2. Modified the error to modify the user information.

What to do today:

1. Learn how Java Swing uses the layout manager.

2. Learn about Swing's component event monitoring mechanism and event handling mechanism.

Problems encountered:

1.Vector Array initialization error results in a null pointer error.

2. Regardless of which student in the table has clicked the Edit button, the first student's information for the database is always displayed.

Second Stage Sprint 1 (May 31)