Description: JAVA project development practice - online example 7:
1) establish the data source first, which is clear in the article. You can refer to the content in the article to build the data source.
2) we enter the DOS interface. Our source code is in the d-disk VipQuery (or anywhere else, of course), and input it at the DOS command: CD D: \ VipQuery, enter the source code directory.
3) in this directory, enter the javac vipquery.java (note that the JDK is case sensitive) to return the car, which compiles the source code of the system. The compiler will pass without any problems.
4) after compiling, enter the Java VipQuery command to run this program under the DOS command. After the program runs, you will see the login screen of the system.
5) program login password: user name: hust password: hust
Super user password: manager
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