java课程设计例子

摘要： In CMD, we can use the JDK's command: jar. (You have to first of all configure correctly the CMD environment variables)1. To pack two .class files into an archive named testPackage.jarjar cvf testPackage.jar classFile1.class classFile2.class2. To pack two .class files into an archive named testP 阅读全文

摘要： 1.js写txt文件：最简单的DEMO：var fso = new ActiveXObject("Scripting.FileSystemObject"); var f = fso.CreateTextFile("desktop.txt", true);var f2 = fso.CreateTextFile("desktop2.txt", true);var f3 = fso.CreateTextFile("desktop3.txt", true);……f2.write(m_szPassCarData);f2.Wr 阅读全文

摘要： package com.han.ch20.q1; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import com.han.Derby; public class UpdateStu { private static Connection conn; private static PreparedStatement ps; ... 阅读全文