java BufferedReader和InputStreamReader的区别
BufferedReader:
Read text from a character-input
stream, buffering characters so as to provide for the
efficient reading of characters, arrays, and lines.
InputStreamReader:
An InputStreamReader is a bridge from byte streams to
character streams: It reads bytes and decodes them
into characters using a specified charset.
相关文档:
http://www.andykhan.com/jexcelapi/可以下载到第三方jxl.jar包,并且excel要保存为2003或以前的版本
package com.excel;
// 1 文件对象 2工作簿对象 3 单元格对象。
//相应的在JXL中就有Workbook,Sheet ,Cell 。
import java.io.*;
import jxl.*;
public class GetExcelValues3 {
public static void main(Strin ......
(1)Ctrl+M --切换窗口的大小
(2)Ctrl+Q --跳到最后一次的编辑处
(3)F2 --当鼠标放在一个标记处出现Tooltip时候按F2则把鼠标移开时Tooltip还会显示即Show Tooltip Description。
F3   ......
1. 创建线程(继承Thread和实现runnable接口) class SubThread {
private class InnerThread extends Thread {
@Override
public void run() {
System.out.println(Thread.currentThread().getName());
super.run();
}
}
public Thread getThread() {
return new InnerThread();
}
}
......
定义一个native 方法:
package ext;
import java.util.Hashtable;
public class TestJNI
{
static
{
System.loadLibrary("dllfile");
}
public TestJNI()
{
......