this.filePath = filePath;
File file = new File(filePath);
FileInputStream inStream = new FileInputStream(file);
try {
Properties objProperties;= new Properties();
objProperties.load(inStream);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
inStream.close();
}
objProperties.getProperty(key)
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