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Day 21: Java Database Connectivity and Data Structures

Notes and Corrections

• To speed up download time, the World20.mdb file is contained in World20.zip, which requires a program that can open ZIP files. Some you can use: WinZip (Windows), ZipIt (MacOs) and InfoZip UnZip (Linux).

Source Files

• CoalTotals.java
• CoalTotals.class
• World20.zip
• Presidents.java
• Presidents.class
• People.mdb

Reader Questions

• None.

Activities

• Solution #1: OilTotals.java and OilTotals.class.
• Solution #2: License.java and License.class.