public class AvPrice
{
static int count = 0;
static int sum = 0;
public static void main(String[] args)
{
try
{
//定义并实例化Scanner对象
Scanner in = new Scanner(new File("d:/abc.txt"));
//如果有下一行就返回true
while (in.hasNextLine())
{
//获取下一行
String str = in.nextLine();
//调用spilitt方法进行分割
splitt(str);
}
System.out.println("sum:" + sum + " " + "average:" + sum / count);
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
}
public static String[] splitt(String str)
{
//去空格
String strr = str.trim();
//以逗号为分隔符
String[] abc = strr.split(",");
//以汉字元为分隔符
String[] ab = abc[1].split("元");
//把String类型数据转化成Double类型
Double temp = new Double(ab[0]);
//求和
sum += temp;
//计数
count++;
//返回
return abc;
}
}