Java 利用StringBuffer避免文件的多次写入

Java 利用StringBuffer避免文件的多次写入(基础篇-实例435).zip

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.Jframe;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;
import javax.swing.JCheckBox;
import javax.swing.JButton;
import javax.swing.JOptionPane;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.io.*;

public class UseStringBufferframe extends Jframe {
    
    private JPanel contentPane;
    JCheckBox checkBox;
    JCheckBox checkBox_1;
    JCheckBox checkBox_2;
    JCheckBox checkBox_3;
    JCheckBox checkBox_4;
    JCheckBox checkBox_5;
    StringBuffer buffer = new StringBuffer（）;
    
    /**
     * Launch the application.
     */
    public static void main（String[] args） {
        EventQueue.invokeLater（new Runnable（） {
            public void run（） {
                try {
                    UseStringBufferframe frame = new UseStringBufferframe（）;
                    frame.setVisible（tru

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         301  2010-09-10 15:22  .classpath
     文件         379  2010-09-10 15:22  .project
     文件         629  2010-09-10 15:22  .settings\org.eclipse.jdt.core.prefs
     文件         747  2013-11-21 08:41  bin\UseStringBufferframe$1.class
     文件         707  2013-11-21 08:41  bin\UseStringBufferframe$2.class
     文件        3979  2013-11-21 08:41  bin\UseStringBufferframe.class
     文件        4344  2010-09-10 15:22  src\UseStringBufferframe.java