随笔分类 - JavaSE
摘要：import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JComboBox;import javax.swing.JFrame;public class MainClass { public static void main(final String args[]) { final String labels[] = { "A", "B", "C", &
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摘要：参考：http://k.pconline.com.cn/question/2210578.htmlhttp://liuliang136.javaeye.com/blog/551524最终代码：这个版本的代码是可以支持中文，需要导入jxl.jar包。/* * To change this template, choose Tools | Templates * and open the template in the editor. */package Utils;///////////////////////////////////////////////////// importimport
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摘要：1。http://blog.csdn.net/qingyuexiao/archive/2009/04/21/4097723.aspx1、JAVA读取文件，避免中文乱码。/** * 读取文件内容 * * @param filePathAndName * String 如 c:\\1.txt 绝对路径 * @return boolean */public static String readFile(String filePathAndName) {String fileContent = "";try {File f = new File(filePathAndName);i
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摘要：Hibernate Class Is Not Mapped ？1.http://blog.csdn.net/mycxsky/archive/2008/12/02/3430131.aspx好久没玩Hibernate了，都忘记了，今天碰到一个关于没有映射的错误，找了半天才发现原来是HQL的错误。org.springframework.orm.hibernate3.HibernateQueryException: USERINFO is not mapped.看到.hbm.xml文件中的<hibernate-mapping package="form">
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摘要：netbeans生成数据报表由于在做课程设计时，需要产生数据报表，于是google得到下面一篇文章：http://gjl2008yn.javaeye.com/blog/186582--------------------------------------------------------------------------------------最近一个项目中要求报表打印功能,而在Java中一直没有找到合适的报表设计工具。到网上找了好久， 8) 终于被我找到了——就是iReport，它是基于JasperReports的报表设计工具。 我下载的是它的n
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摘要：netbeans 中JTabbedPanel的使用http://java.sun.com/developer/onlineTraining/tools/netbeans_part1/#importingSo far, you have created a project and aJFrameclass calledSamplesJFrame. Next, you'll build on theJFramecomponent and add other components.Click on Tabbed Pane in the Palette, then click on the b
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摘要：JTable sortingimport javax.swing.JFrame;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.SwingUtilities;import javax.swing.table.DefaultTableModel;import javax.swing.table.TableModel;import javax.swing.table.TableRowSorter;public class JTableSortDemo { public static void
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摘要：How to operate data in JTable public boolean isRecordSelected() { return masterTable.getSelectedRow() != -1; } @Action public void newRecord() { desktopapplicationdbtest.Car c = new desktopapplicationdbtest.Car(); entityManager.persist(c); list.add(c); int row = list.size()-1; masterTable.setRowSele
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摘要：How to open a JFrame @Action public void showAboutBox() { if (aboutBox == null) { JFrame mainFrame = NumberSliderApp.getApplication().getMainFrame(); aboutBox = new NumberSliderAboutBox(mainFrame); aboutBox.setLocationRelativeTo(mainFrame); } NumberSliderApp.getApplication().show(aboutBox); }
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摘要：netbean 数据绑定http://netbeans.org/kb/docs/java/gui-binding_zh_CN.html
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摘要：简单说：extends是继承父类，只要那个类不是声明为final或者那个类定义为abstract的就能继承，JAVA中不支持多重继承，但是可以用接口来实现，这样就要用到implements，继承只能继承一个类，但implements可以实现多个接口，用逗号分开就行了比如class A extends B implements C,D,E 术语话来说：extends 继承类；implements 实现接口。类和接口是不同的：类里是有程序实现的；而接口无程序实现，只可以预定义方法 extends 继承类。implements 实现接口：Java也提供继承机制﹐但还另外提供一个叫interface的
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摘要：Documents : http://java.sun.com/docs/books/tutorial/uiswing/This trail tells you how to create graphical user interfaces (GUIs) for applications and applets, using the Swing components. Getting Started with Swing is a quick start lesson. First it gives you a bit of background about the JFC and Swing
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摘要：Java数据类型Hibernate数据类型标准SQL数据类型(PS:对于不同的DB可能有所差异)byte、java.lang.BytebyteTINYINTshort、java.lang.ShortshortSMALLINTint、java.lang.IntegerintegerINGEGERlong、java.lang.LonglongBIGINTfloat、java.lang.FloatfloatFLOATdouble、java.lang.DoubledoubleDOUBLEjava.math.BigDecimalbig_decimalNUMERICchar、java.lang.Chara
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摘要：swing look and feel demo这里使用的皮肤是substance。1.首先新建一个netbean工程，将两个包trident.jar，substance.jar加入到工程中。2.在run函数前添加：import javax.swing.JDialog;import javax.swing.JFrame;import javax.swing.UIManager;import javax.swing.UnsupportedLookAndFeelException;import org.pushingpixels.substance.api.SubstanceLookAndFeel
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摘要：swing skin demohttp://www.blogjava.net/gml520/archive/2009/05/23/277603.html
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摘要：java skin http://www.open-open.com/61.htm
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摘要：HQL Batch Update, Insert1.Batch InsertSession session = sessionFactory.openSession();Transaction tx = session.beginTransaction();for ( int i=0; i<100000; i++ ) { Customer customer = new Customer(.....); session.save(customer);}tx.commit();session.close(); 2.Batch UpdateSession session = sessi
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摘要：HQL Delete Example/////////////////////////////////////////////////////////////////////////import java.util.*;import java.sql.*;import org.hibernate.*;import org.hibernate.criterion.*;public class Main { public static void main(String[] args) { HibernateUtil.setup("create table Supplier ( id in
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摘要：How to use Hibernate in NetBean IDE？See this : http://netbeans.org/kb/docs/java/hibernate-java-se_zh_CN.html，这里使用的是mysql数据库，如何使用sql server数据库参见： http://blog.csdn.net/xuqianghit/archive/2010/06/10/5662371.aspx
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摘要：What's Hibernate? and What is the function of Hibernate?Working with object-oriented software and a relational database can be cumbersome and time consuming in today's enterprise environments. Hibernate is an Object/Relational Mapping tool for Java environments. The term Object/Relational Ma
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