Question

要把txt文件中指定的行的内容删掉，java代码怎么写？最好能举个简单的例子，谢谢！

Answer 1

先读取，删除后再写进去
int lineDel=1;
BufferedReader br=new BufferedReader(new FileReader( "c:/a.txt "));
StringBuffer sb=new StringBuffer(4096);
String temp=null;
int line=0;
while((temp=br.readLine())!=null){
line++;
if(line==lineDel) continue;
sb.append(temp).append( "\r\n ");
}
br.close();
BufferedWriter bw=new BufferedWriter(new FileWriter( "c:/a.txt "));
bw.write(sb.toString());
bw.close();