[Java] Properties Load and Save Example

1. Properties Load and Save Example

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import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Properties; public class Settings { Properties settings; public Settings() { settings = new Properties(); load(); } public void load() { InputStream input = null; try { input = new FileInputStream("config.properties"); settings.load(input); } catch (IOException ex) { ex.printStackTrace(); } finally { if (input != null) { try { input.close(); } catch (IOException e) { e.printStackTrace(); } } } } public void save() { OutputStream output = null; try { output = new FileOutputStream("config.properties"); settings.store(output, null); } catch (IOException io) { io.printStackTrace(); } finally { if (output != null) { try { output.close(); } catch (IOException e) { e.printStackTrace(); } } } } public void set(String name, String value) { settings.setProperty(name, value); } public String get(String name) { return settings.getProperty(name); } }