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package _20210531_c3p0.wcTest; import java.util.Map; import java.util.TreeMap; /** * @Author Xulihua * @Date2021/5/31 * @Description */ public class wdcnt implements Runnable{ Map<String,Integer> map=new TreeMap<>(); String cont

driver url user password 在resource/properties driver=com.mysql.jdbc.Driver url=jdbc:mysql://192.168.107.103:3306/test user=root password=ok ---------------------------------------------------------- public class FinalFields { public static final Str.

-----------------------MysqlConnectionPool 类----------------------------------- package _20210528; import java.sql.Connection; import java.util.Collection; import java.util.LinkedList; /** * @Author Xulihua * @Date2021/5/28 * @Description */ public c