摘要:
1.JdbcUtilpackage com.yfs.javase.jdbc;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;... 阅读全文
摘要:
1.Mousepackage com.yfs.javase;public class Mouse { private int index = 1; private boolean isLive = false; //跳出方法 同步锁 public synchronized void jump()... 阅读全文