我必须在文件中搜索字符串并将匹配的行写入另一个文件。我有一个读取文件的线程和一个写入文件的线程。我想将stringBuffer从读取线程发送到写入线程。请帮助我通过。我会通过传递空值。
写线程：
class OutputThread extends Thread{
/****************** Writes the line with search string to the output file *************/
Thread runner1,runner;
File Out_File;
public OutputThread() {
}
public OutputThread(Thread runner,File Out_File) {
runner1 = new Thread(this,"writeThread"); // (1) Create a new thread.
this.Out_File=Out_File;
this.runner=runner;
runner1.start(); // (2) Start the thread.
}
public void run()
{
try{
BufferedWriter bufferedWriter=new BufferedWriter(new FileWriter(Out_File,true));
System.out.println("inside write");
synchronized(runner){
System.out.println("inside wait");
runner.wait();
}
System.out.println("outside wait");
// bufferedWriter.write(line.toString());
Buffer Buf = new Buffer();
bufferedWriter.write(Buf.buffers);
System.out.println(Buf.buffers);
bufferedWriter.flush();
}
catch(Exception …