//文件的读写
import java.io.*;
...
BufferedReader in=new BufferedReader(new FileReader("a.txt"));
PrinterWriter out=new PrinterWriter(new FileWriter("b.txt"));
String ss;
while((ss=in.readLine()!=null){
System.out.println(ss);
out.println(ss);
}
...
import java.io.*;
...
BufferedReader in=new BufferedReader(new FileReader("a.txt"));
PrinterWriter out=new PrinterWriter(new FileWriter("b.txt"));
String ss;
while((ss=in.readLine()!=null){
System.out.println(ss);
out.println(ss);
}
...
解决方案 »
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