摘要：package com.jckb; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; /** * jdbc编程步骤: * 1、加载数据库... 阅读全文

摘要：package com.jckb; public class Name implements Comparable{ private String firstName; private String lastName; public Name(){} public Name(String firstName, String lastName)... 阅读全文