Create README.md

README.md

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+# Google-Finance
+Fetching stock Data from Google Finance API. This is just for informational purpose as Google does not actively support finance API now. 
+
+# Usage
+There are two functions that you should know.
+```java
+Stock getStockDetails(String exchange, String ticker) throws IOException;
+List<Stock> getStockDetails(String exchange, String[] tickers) throws IOException;
+```
+The data is to be inserted in data.properties file. You can have a single quote or multiple quotes.
+For multiple quotes, use comma separated tickers and use java's ```String.split()``` and pass it to ``` getStockDetails(String exchange, String[] tickers)``` to get a list of stocks.
+```java
+Properties props = new Properties();
+String basePath = MainClass.class.getResource("/").getPath();
+InputStream is = new FileInputStream(basePath+"data.properties");
+props.load(is);
+String exchange = props.getProperty("exchange");
+String tickers = props.getProperty("ticker");
+```
+The above code lines will get you the exchange and ticker data from properties file.
+