读取txt文本，删除指定内容

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;

public class Text
{
public static void main(String[] args) throws Exception
{
File file = new File(“d:/11.txt”);
String rl = null;
String special = “查询的学生”;
StringBuffer bf = new StringBuffer();
BufferedReader br = new BufferedReader(new FileReader(file));
while(( rl = br.readLine()) != null)
{
rl = rl.trim();
if(rl.indexOf(special) == -1){ //或者!r1.startsWith(special)
bf.append(rl).append("\r\n");
}
}
br.close();

	BufferedWriter out = new BufferedWriter(new FileWriter(file));
	out.write(bf.toString());
	out.flush();
	out.close();
}

}