FileWriter filewriter = new FileWriter(file,true);
java.io.RandomAccessFile file = new RandomAccessFile("/test1.txt", "rws"); for (long i = file.length(); i > 0; i--) file.read(); file.writeUTF("Testing"); file.close();
文件没有rws属性,应为rw java.io.RandomAccessFile file = new RandomAccessFile("/test1.txt", "rw"); for (long i = file.length(); i > 0; i--) file.read(); file.writeUTF("Testing"); file.close();
for (long i = file.length(); i > 0; i--)
file.read();
file.writeUTF("Testing");
file.close();
java.io.RandomAccessFile file = new RandomAccessFile("/test1.txt", "rw");
for (long i = file.length(); i > 0; i--)
file.read();
file.writeUTF("Testing");
file.close();