JAVA获取系统服务器相关信息
java.version Java Runtime Environment version
java.vendor Java Runtime Environment vendor
java.vendor.url Java vendor URL
java.home Java installation directory
java.vm.specification.version Java Virtual Machine specification version
java.vm.specification.vendor Java Virtual Machine specification vendor
java.vm.specification.name Java Virtual Machine specification name
java.vm.version Java Virtual Machine implementation version
java.vm.vendor Java Virtual Machine implementation vendor
java.vm.name Java Virtual Machine implementation name
java.specification.version Java Runtime Environment specification version
java.specification.vendor Java Runtime Environment specification vendor
java.specification.name Java Runtime Environment specification name
java.class.version
相关文档：
public class Test {
public static void main(String args[]){
try{
// 获取键盘输入的字符串
BufferReader f = new BufferReader(new inputStreamReader(System.in));
String str = f.readline();
for (int i = str.length() -1 ; i >=0 ; i--) {
System.out.print(CharAt(i)); ......
package com.dongyang;
/*
* 读xls写xml
*/
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.output.XMLOutputter;
imp ......
/***********Ryear.java begin********************/
import java.util.Scanner;
public class Ryear {
/**
* @param args
*/
public static void main(String[] args) {
/**
* 编写程序 ......
要用到jxl的包
具体实例
1.生成excel文件
package com.createexcel;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import com.mysql.jdbc.ResultSetMetaData;
import j ......
from: http://www.leftworld.net/online/java/index.html
<Thinking in java>附录C Java编程规则
本附录包含了大量有用的建议，帮助大家进行低级程序设计，并提供了代码编写的一般性指导：
(1) 类名首字母应该大写。字段、方法以及对象（句柄）的首字母应小写。对于所有标识符，其中包含的所有单词都应紧靠在一起� ......
