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jps (jvm process status)jstat（jvm stastics Monitoring tool）jinfo (configuration info for java)jmap(memory map for java)jconsolejlinkhttps://blog.youkuaiyun.com/qq_26093341/article/details/80889883、...

MySQL工具包package JdbcUtil;//import java.io.IOException;//import java.io.InputStream;import java.sql.*;import java.util.Properties;public class JdbcUtil { private static String driver = "com...