package?k;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.io.InputStreamReader;
import?java.io.OutputStreamWriter;
public?class?IsrAndOswDemo?{
public?static?void?main(String[]?args)?throws?IOException?{
FileInputStream?in=new?FileInputStream("D:\\test\\日記3.txt");
InputStreamReader?isr=new?InputStreamReader(in,"gbk");
FileOutputStream?out?=?new?FileOutputStream("D:\\test\\日記1.txt");
OutputStreamWriter?osw=new?OutputStreamWriter(out,"gbk");
/*int?c;
while((c=isr.read())!=-1){
System.out.print((char)c);
}*/
char[]?buffer=new?char[20*1024];
int?c;
//字節批量讀取，返回的是讀到的字節的個數
while((c=isr.read(buffer,?0,?buffer.length))!=-1){
String?s=new?String(buffer,0,c);
System.out.print(s);
osw.write(buffer,?0,?c);
}
osw.flush();
isr.close();
osw.close();
}
}就像上方的代碼，in和out沒有close可以么？
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