String path="c:\\a.txt"; BufferedReader a=new BufferedReader(new FileReader(path));
int ab=a.read();
++ab;
a.close();
BufferedWriter bb=new BufferedWriter(new FileWriter(path));
bb.write(ab);
bb.close();
int ab=a.read();
++ab;
a.close();
BufferedWriter bb=new BufferedWriter(new FileWriter(path));
bb.write(ab);
bb.close();
解决方案 »
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