Javac JDBCDemo.java
Java -cp.;% classpath% JDBCDemo
Eclipse Java anti-compilation plugin
Java_home
C: / sun / appserver / jdk
Classpath
.;% Java_home% / lib / dt.jar;% java_home% / lib / tools.jar;% java_home% / jre / lib;% java_home% / jre / lib / ext;% java_home% / JRE / lib / rt.jar;% Tomcat_home% / common / lib / mysql-connector-java.jar;% Tomcat_Home% / CommON / lib
Path
% Java_home%;% java_home% / bin
Tomcat_home
E: /tomcat5.0
There should be mysql-connector-java.jar in Tomcat, so that database connections can be normal
In the mysql database, the command format of entering the database from the CMD side is as follows:
$: / mysql / bin / mysql -u root -p
PASSWORD: root
