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  FileInputStream objFileInputStream = new FileInputStream(checkFile);
  byte[] alldata = new byte[(int) checkFile.length()];
  objFileInputStream.read(alldata);
  System.out.println(alldata.length);
  String strFileContent = new String(alldata);
  System.out.println(strFileContent.getBytes().length);
  String encoding = System.getProperty("file.encoding");
  System.out.println(encoding);

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String strFileContent = new String(alldata);


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String strFileContent = new String(alldata,"gbk");


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Java code:

System.out.println(alldata.length);
String strFileContent = new String(alldata,"gb2312");
System.out.println(strFileContent.getBytes("gb


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