final int MAX_LINE = 5;
File file = new File("c:/my/a.txt");
Queue<String> lines = new LinkedList();
BufferedReader br = null;
try
{
br = new BufferedReader(new FileReader(file));
String line = null;
while ((line = br.readLine()) != null)
{
lines.add(line);
if (lines.size() > MAX_LINE)
{
lines.remove();
}
}
}
finally
{
br.close();
} while (!lines.isEmpty())
{
System.out.println(lines.poll());
}
解决方案 »
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