Java中流的关闭

Question

1.response.getWriter().print("");2.PrintWriterout=response.getWriter();out.print("");out.close();第一种方式可以吗?流会自动关闭吗?

Answer 1

response.getWriter().print("");不会自动关闭
response.getWriter源码
publicPrintWritergetWriter()
/**/throwsIOException
/**/{
/*213*/PrintWriterwriter=this.response.getWriter();
/*214*/if(isFinished()){
/*215*/this.response.setSuspended(true);
/**/}
/*217*/returnwriter;
/**/}
print方法源码
publicvoidprint(Strings){
if(s==null){
s="null";
}
write(s);
}