FileChannel fc =new
FileOutputStream( "data.txt ").getChannel();
fc.write(ByteBuffer.wrap( "Some text ".getBytes()));
fc.close();
fc = new FileInputStream( "data.txt ").getChannel();
ByteBuffer buff = ByteBuffer.allocate(BSIZE);
fc.read(buff);
buff.flip();
// Doesn 't work:
//System.out.println(buff.asCharBuffer());
// Decode using this system 's default Charset:
buff.rewind();
String encoding = System.getProperty( "file.encoding ");//这里的//getProperty后面的属性是怎么回事?是怎么得知这个属性的？
System.out.println( "Decoded using " + encoding + ": "
+ Charset.forName(encoding).decode(buff));//还有请解释这一排//的内容
------解决方案--------------------
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