java 按行读取文本

public static ArrayList<String> FileImpBXidds(){
			ArrayList<String> arrayList = new ArrayList<String>();
			try {///home/kuaifa/jars/web-api/Text/Ftp.txt
				File file = new File("C:/Users/Administrator/Desktop/ssptest/mac.txt");//读取文本路径
				String line=null; 
				if(file.exists()){
					BufferedReader in=new BufferedReader(new FileReader("C:/Users/Administrator/Desktop/ssptest/mac.txt"));
					while((line=in.readLine())!=null)  //判断文本是否为空
					{  
						//System.out.println(line);
						arrayList.add(line);//放入list
					}
					in.close();
				}
				
				//file.delete();//删除文本
			} catch (IOException e) {
				e.printStackTrace();
			}
			//System.out.println(arrayList);
			return arrayList;  //返回
		}