JAVA读文本文件

一行一行的读~~

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public static void main(String[] args) throws Exception {
  
FileReader reader = new FileReader("D:\url.txt");
  
BufferedReader br = new BufferedReader(reader);
  
String s1 = null;
  
while((s1 = br.readLine()) != null) {
  
System.out.println(s1);
  
}
  
br.close();
  
reader.close();
  
}