因为warning提示:DataInputStream类的readLine()方法已过时。将下面的程序段改成用BufferedReader类实现,不知怎么做?(因为BufferedReader类中没有available()方法)
//计算行数
FileInputStream fis = new FileInputStream ("C:\\myfile.txt");
DataInputStream dis = new DataInputStream (fis);
while(dis.readLine()!=null){
enter_count++;
}
//将每一行符值给一个字符串
fis = new FileInputStream("C:\\myfile.txt");//由于上面的dis.readLine()将文件读完了,所以要从新初始化一遍
dis = new DataInputStream(fis);
String s[] = new String[enter_count];
i = 0;
while(dis.available()!=0){
s[i] = dis.readLine();
s1[i]=s[i];
i++;
}
dis.close();
//计算行数
FileInputStream fis = new FileInputStream ("C:\\myfile.txt");
DataInputStream dis = new DataInputStream (fis);
while(dis.readLine()!=null){
enter_count++;
}
//将每一行符值给一个字符串
fis = new FileInputStream("C:\\myfile.txt");//由于上面的dis.readLine()将文件读完了,所以要从新初始化一遍
dis = new DataInputStream(fis);
String s[] = new String[enter_count];
i = 0;
while(dis.available()!=0){
s[i] = dis.readLine();
s1[i]=s[i];
i++;
}
dis.close();
while((str=dis.readline)!=null){
s[i] = dis.readLine();
s1[i]=s[i];
i++; }
= new BufferedReader(new FileReader("C:\\myfile.txt");
用这行替代你原先的代码就OK了!